The Answer to your question is D. 1 and 2
Y=(x3)2
if x=5
y=(5.3)2
=(15)2
=30
A- 130, 130, and 50
b- 7 and 10
Answer:
a) 35, b) 25, c) 60
Step-by-step explanation:
The number of girls is 10 more than the number of boys, so it's a good thing to choose a variable to represent the number of boys.
Number of boys: b
Number of girls: b + 10
Ratio of girls:boys is 7:5, so

"Cross multiply" to get

There are 25 boys. There are 10 more girls, so the number of girls is 35, and the total number of students is 60.
That's a packed classroom!
The answer your looking for is B