You have z baseball cards. christopher has 12 fewer baseball cards than you do. which expression correctly shows how many baseball cards christopher has?

C=z-12

Step-by-step explanation:

U=Z-12

Step-by-step explanation:

U is because it's your total amount

12 is because Christopher has 12 less then you which also explains the minus sign

Z is representing the amount of cards you have

I THINK

h/o/e/s mad

step-by-step explanation:

si si si

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)