What is the value of the expression 2(×+4) -(y×8) A. 11/4 B. 65/2 C. 21/4 D. 27/4

Solve the system of equations. y= 2x y= x^2 - 15

When you are making a circle graph by hand, how do you convert a number for a part into its corresponding angle measure in the circle graph? when you are making a circle graph by hand, what should you do if one of your angle measures is greater than 180°?

Asquare has a perimeter of sixteen centimeters. what is the length of each of its sides? a. 8 cm c. 9 cm b. 4 cm d. 10 cm select the best answer from the choices