if a = and b = -1 what is the value of ab -b^2

ten Susan works at the local ice cream shop with her friend Tara. Susan is a shift supervisor and is paid $9.50 an hour. The owner of the shop decided to give Susan a bonus of $25 in her upcoming check to say thanks for all of her hard work. Which function shows Susan's salary (S), if she works h hours during the upcoming week? 1. S(h) = 9.50h + 25 2 S(h) = 9.50h - 25 3. S(h) = 25h + 9.254. S(h) = 9.50 + 25 if 56 j of work energy is required to lift a dumbbell to a height of 7m, what is the weight of the dumbbell? Do the film version and the original text display the same themes? What are the themes? Do you think the film versiondoes a better job at presenting theme than the original text does? PLEASE HURRY WILL GIVE BRANLIEST!!! Which equation represents a line which is parallel to x = 0? helppp pleaseee Man has never directly reached the inner layers of the Earth. But what phenomena allow to determine its chemical composition?A)Surface wave propagation.B)Plate displacementC)Emanation of lava in volcanoesD)Changes in the Earth's landscapeE)Waves formed in tidal waves What evidence does dr.ward use to back his claim that factories were unhealthy and unsafe for children? Which statement best describes what will most likely happen when an individual receives a vaccination containing a weakened pathogen What is the main role of the sugar deoxyribose Convert 431 base 10 divided by 112base 10 can anyone help me please? What net force would be required to accelerate a truck at 10 m/s^2 that has a mass of 150 kg. Trevor deposits 1500 in a simple intersect account that pays 4.3% interest annually. After 15 years how much total money would be in the account Which commander became a general on George Washington's staff as well as a confidant and later a friend?Question 3 options:Baron Friedrich von SteubenCasimir PulaskiHaym SalomonMarquis de Lafayette Why do human practices depend upon and benefit from water?Why is water important to our planet? PLZZ HELPP I HAVE TO GO SOMEWHERE RN ASAP! (:Which statement is true about the theory of plate tectonics and the theory of continental drift?A. The theory of plate tectonics explains how continental movements could occur.B. The theory of plate tectonics tells exactly where the continents were before Pangaea divided.C. The theory of plate tectonics shows that continental movements could not have happened.D. The theory of plate tectonics shows that Pangaea was impossible, but the continents did move. What are the positive effects of this pandemic NEED RN, WORTH 30! ~ please and thank you! what is X for this 2x+7-6x=23 If today's first high tide is at 7:00 AM, what time will today's next high tide be?