Can someone do theses problems .giving first person with explanations and answers brainlest : ). (they are dividing and multiplying negatives btw)

Solve the equation -9p - 17 =10 a -3 b. 16 c. 18 d -16

Two angles are complementary. the large angle is 36 more than the smaller angle. what is the measure of the large angle?

Answer asap ill give ! ’ a sample of radioactive material decays over time. the number of grams, y , of the material remaining x days after the sample is discovered is given by the equation y = 10(0.5)^x. what does the number 10 represents in the equation? a. the half-life of the radioactive material, in days b. the amount of the sample, in grams, that decays each day c. the time, in days, it will take for the samples to decay completely d. the size of the sample, in grams, at the time the material was discovered