1. Dwayne has 10 blue shirts and 12 red shirts. What's the ratio of blue shirts to red shirts that Dwayne has?

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.

The linear combination method is applied to a system of equations as shown. 4(.25x + .5y = 3.75) → x + 2y = 15 (4x – 8y = 12) → x – 2y = 3 2x = 18 what is the solution of the system of equations? (1,2) (3,9) (5,5) (9,3)

Which of the following pair(s) of circles have las a common external tangent? select all that apply. a and b a and c b and c