If there are 4 girls to every 9 students, then there are 5 boys to every girl, 9-4=5. So, there are more boys in the class.
Answer:
The radius of the circles are
and 
Step-by-step explanation:
Let
x-----> the radius of larger circle
y----> the radius of smaller circle
we know that

-----> equation A
Remember that
-----> equation B
substitute equation B in equation A and solve for y





Find the value of x


therefore
The radius of the circles are
and 
Answer:
135
Step-by-step explanation:
1 1/2 * 90=135
Answer:
Eight and one hundred thirty-four thousandths
Step-by-step explanation:
Thats how u write it in word form! i hope this helped :)
9(-2)+x=-8
And x would be positive 26