Karla and 3 friends go to the movies and each person buys a ticket and a box of popcorn. Movie tickets cost $12 each. Together, Karla and her friends spend $68.Which equation can you use to find the cost of a box of popcorn? A.4(12) + p = 68
B.4(12 + p) = 68
C.12 + 4p = 68
D.12p + 4 = 68

Issof claims that the scale factor is 1/2. which statement about his claim is correct

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.