How many solutions does the system have?

x = -4y + 4
2x + 8y = 8

a. one solution
b. two solutions
c. infinitely many solutions
d. no solution

In trapezoid efgh, m∠hef=(4x2+16)∘ and m∠gfe=(5x2+12)∘. find the value of x so that efgh is isosceles.

What is the value of x in the diagram below?

Acompany wants to reduce the dimensions of its logo by one fourth to use on business cards. if the area of the original logo is 4 square inches, what is the area of the logo that will be used on the business cards?