Answer:
11
Step-by-step explanation:
The sum of the remote interior angles = the exterior angle
66 + 7x + 7 = 12x + 18
7x + 73 = 12x + 18
55 = 5x
x = 11
Answer:
3/3
Step-by-step explanation:
if 1/3 means 30 sec. then 3/3 would be a 1 min. and 30 sec
Answer:
yayyyyyy thanks
Step-by-step explanation:
10. GCF is 3
11. GCF is 4
12. GCF is 16
13. That the numbers are prime
:)
Answer:
he needs 17 square inches of shelf paper because he only need to cover the top part
Step-by-step explanation:
A=2AB+(a+b+c)h
AB=s(s﹣a)(s﹣b)(s﹣c)
<u>s=a+b+c</u>
2