3/10 of the beads in a jar are red, the rest are blue if there are 500 more blue beads than red, how many beads are together?​

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

Which expression and diagram represent “renee biked four times as far this month as last month”?

The value of x in this system of equations is 1. 3x + y = 9 y = –4x + 10 substitute the value of y in the first equation: combine like terms: apply the subtraction property of equality: apply the division property of equality: 3x + (–4x + 10) = 9 –x + 10 = 9 –x = –1 x = 1 what is the value of y?