The answer is 1
Hope that helps!
Answer:
4 stones is the answer use basic mathematics
Answer:

Step-by-step explanation:
We are given equation of parabola as

we can also write as

now, we can compare

and find a , h , and k
a=1
h=0
k=0
now, we can use focus formula

now, we can plug values


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.