A set of stickers contains 4 shamrocks for every 6 rainbows. Which choice contains an equivalent ratio of shamrocks to rainbows? shamrocks : rainbows

1. 2 : 4
2. 6 : 9
3. 1 : 3
4. 8 : 18

Which of the following is an equation of a line parallel to the equation y=4x+1?

Which statement accurately describes how to perform a 90° clockwise rotation of point a (1,4) around the origin?

Add, subtract, multiply, or divide as indicated. list any restrictions for the variable(s) and simplify the answers when possible. 1) x-2 / x+5 + 3x / 2x-1 2) x+6 / x-6 - x^2 / x+6 3) x+9 / x-4 + x+2 / x^2-11x+28 4) x / x^2-64 + 11 / 2x^2+11x-40 5) 5 / x + 11 / x-3 - x-4 / x^2+2x-15