Which is a solution of the equation?

2x – y = 5
A (3, –1)
B (2, –1)
C (1, 2)
D 7

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

Compare the cost of the bike trips from the two companies shown. for both the cost in a linear function of the number of days which statements is true

Florence price's brownies and more sells all types of cookies and pastries. on tuesdays, they markdown all brownies 75% to a sale of $1.50 a dozen. find the selling price and the markdown of a dozen brownies.