B. 90. The perimeter is 30+30+15+15=90
Answer:

Step-by-step explanation:
I honestly don't know any of this so
Answer:
$720
Step-by-step explanation:
First tutor = 30 x 10 = $300
Second tutor = 30 x 14 = $420
Total = 420 + 300 = $720
7/4 because you times 4 and 1.then add 3 and you get 7 so 7/4