Answer:A. 140
Step-by-step explanation:
1/2(5)(7)(8)
Answer: It is 4
Step-by-step explanation:
Becasue
1/2=2/x
x=2*2
x=4
Answer:
Assuming 2 1/4 is a mixed fraction the answer is r= -29/20
Step-by-step explanation:
Let the third side be x :
( 3√5 )^2 = 6^2 + x^2
45 = 36 + x^2
x^2 = 45 - 36
x^2 = 9
x = 3