Answer:
$73
Step-by-step explanation:
Multiply 7 and 7 to get 49. Next, multiply 6 and 4 to get 24. The museum is free for the 3 children so you do not have to do anything. Add 49 and 24 to get 73, which is the price for the Baker Family.
a. 90.04
b. 446.05
i answered it , and tried to give explanation too...
hope its helpful ,
D. -1.560x + 22.105
... c