20/7 times 21/4 is 420/28, which is 15 simplified.
The area is 15 sq ft, or choice A
9514 1404 393
Answer:
18
Step-by-step explanation:
Put the value where the variable is and do the arithmetic.
3(4 +2) = 3(6) = 18
The value of the expression is 18.
Answer:
A
Step-by-step explanation:
24
-3
and 7
I hope this help you
I am assuming this is a triangle.....P = a + b + c
P = 2a - 3 + 2a + 3a + 1....combine like terms
P = 7a - 2 <==