Please help asap :( i need an answer for both question numbers #3 and #4 please view the following that i have attached below to answer questions both 3 and 4 Solve for X .

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

Secant ac and bd intersect at point e inside f what is the measure of aed if measurements cd equals 30 a b is 50 and cb is 170

Using graph paper, determine the line described by the given point and slope. click to show the correct graph below.(0, 0) and 2/3