50,779/590 is 90.7125 but rounded to 90.71
Answer: 
Step-by-step explanation:

Multiply by the reciprocal in order to get rid of the fraction in the denominator.



Answer: y=−5/4x−5
Step-by-step explanation:
219-132 is the equation because the rest of the 219 comes from the girls who signed up. the answer is 77. To find how many more boys than girls signed up you need to subtract 77 from 132. 132-77= 55
You said that 'A is 30' right there in the equation
so it would be
Xsquared=30