For a particular chemical reaction the rate (g/hr) at which one of the reactants changes is proportional to the amount of that reactant present. If P represents the amount of that reactant at time t, Upper P prime (t )equalsminus0.07P(t). There are 60 grams of the reactant when the process starts.

1/2*qr*rs

step-by-step explanation:

first one because it can't have a fraction in it

step-by-step explanation:

x is the total time in minutes for the free response

you are given number of questions as 15 - m and time per item as 8 minutes

to find x multiply the two givens together:

x = 8 * (15-m) = 8(15-m)