1. simplify the expression √36x^2/y^7
2. simplify the expression (1-3i)(2+-12i)
3. the formula c= √a^2+b^2 represents the length of the hypotenuse of a right triangle with side lengths a and b. solve the equation for a. show your work. that means get “a” all by itself on one side of the equation.

Angle mno is s rotated 180 degrees counterclockwise about the origin to form angle m’n’o’. which statement shows the measure of angle m’n’o’?

Describe the graph of 3x+2> 2 and 3x< 6

The students at jefferson middle school are raising money for a charity by selling t-shirts and hats. the number of t-shirts sold was 3 times the number of hats. the profit was $5 for each t-shirt sold and $2.50 for each hat sold. the students raised $840 for the charity. they used the system below to analyze their success and found the solution to be (144, 48). 5x+2.50y=840 x=3y how much did they earn from t-shirt sales?