Answer:
5- 48
6- 1.5
7-324
Step-by-step explanation: You have to plug in the numbers for the variables
a times c = 12 times 4 =48
1/2 times B= 1/2 times 3= 3/2 = 1/5
A times b times d = 12 times 3 times 9 = 324
