9514 1404 393
Answer:
D. 210
Step-by-step explanation:
If b is the number of boys in the choir, the ratio of boys to girls is ...
b/150 = 7/5
b = 150(7/5) = 30(7) = 210
There are 210 boys in the choir.
<span>(a+7) * (a-4)
a^2 - 4a + 7a - 28
a^2 + 3a - 28</span>
The decimal number is 0.9
D. Becaus it is the only one that mentions the characters of a triangle
Hello,
Vertex=(-2,5)
x=0==>y=-3(0+2)²+5=-7
