How many solutions does the following equation have? -6y+13+9y=8y-3

Cherie measures and records the lengths and sizes of the same style of a sandal found at a shoe store. which equation can be used to determine the approximate shoe size, s, for a foot length of x inches? s = x – 2 s = 2x – 10 s = x + 6 s = 2x + 4

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?

The suare root of 9x plus 7 plus the square rot of 2x equall to 7