*20 points* Find the surface area of this prism

The answer choices are
(yes they are all answer choices))
176
308.8
168
687
336
40
864
258
314
219
264
460​

Last one and the bottom answer choice is y=(x-4)^2+1 you guys!

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

Which expression is equivalent to 16 in exponential form? a) 4 × 4 b) 8 × 2 c) 23 d) 24