At a country concert, the ratio of the number of boys to the
number of girls is 2:7. If there
are 75 more girls than boys,
how many boys are at the
concert?

Use the quadratic formula to solve 5x=6x^2-3,what are the values of x?

The length of a rectangle is x times the square root of 100. the width is one-half y more than three-halves x. given that the area of the rectangle is 125 cm2, which equation could represent the rectangle in terms of x and y? a) 5xy − 15x = 125 b) 5xy + 15x = 125 c) 15x2 − 5xy = 125 d) 15x2 + 5xy = 125

Which ratios are equivalent to 10: 16? check all that apply. 30 to 48 25: 35 8: 32 5 to 15