Answer:
b=7
Step-by-step explanation:
A=bh/2
28=8b/2
56=8b
b=7
15 cm^2
A= 5*6/2= 30/2= 15 cm^2
Answer:
D
Step-by-step explanation:
There are twice as many adults as children.
Answer:
-38.85 or -24
Step-by-step explanation:
What I do is start with the brackets along with the rest of the numbers involved
2(10) is basically 2 x 10= 20
-39 + 3/20
3/20 = 0.15
-39 + 0.15 = -38.85
Unless if 3/2(10) has 3/2 as a fraction, the answer would be -24
