Mindy and troy combined ate 9 pieces of the wedding cake. mindy ate 3 pieces of cake and troy had 1/4 of the total cake.. write an equation to determine how many pieces of cake (c) there were in total.

What is the slope of the line shown below?

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

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry