B. 90. The perimeter is 30+30+15+15=90
Answer:
1
Step-by-step explanation:
21/21 is whole and the a whole as a whole number is equivalent to 1.
Answer:
the anser would be the second one i think hope it helps please mark brailiest
Step-by-step explanation:
Answer:
30
Step-by-step explanation:
We have to make the intersection between these sets, and we see that they intersect in the range: [70,100], and d(70,100) = 30, that is the answer.