The number of students of a class is 52 people. if many students male 7 more than twice as many students female, determine:

a. many male students and

b. many female students

Solve each system by substitution. (-3x + y = 20) (-5x - 7y = - 10)

Stacey bought a shirt for $20. Amy got the same shirt a week later during a sale. Amy got hers for $11. What was the percent of discount? Show your work.

What is the equation of a hyperbola with a = 6 and c = 8? Assume that the transverse axis is horizontal.

In his free time, Gary spends 11 hours per week on the Internet and 9 hours per week playing video games. If Gary has five hours of free time per day, approximately what percent of his free time is spent on the Internet and playing video games?

Ben can buy a package of 5 tshirts for 26.25 or a package of 3 tshirts for 14.25. what is the unit price per t-shirt in each package?

If f (x) = 2-X1/2 and g (x) = x^2-9, what is the domain of g (x) divided by f (x)

Jamilla is making a triangular wall

What quadrilateral is neither a parallelogram nor a trapezoid?

Whats the awnser x-9.8=24

A jacket usually sells for $69.00. If the jacket is 30% off, and sales tax is 6%, what is the total price of the jacket, including tax? A. $51.45 B. $73.14 C. $73.27 D. $51.20