1/2 (a+-b)2 what is the vule of the expression when a=18 and b=14

Write the system of equations represented by the matrix. 0 1 2 4 -2 3 6 9 1 0 1 3

Naomi’s parents want to have 50,000, saved for her college education, if they invest 20000 today and earn 7% interest compound annually, about how long will it take them to save 50 thousand

Quadrilateral wxyz is on a coordinate plane. segment yz is on the line x+y=7 and segment xw is on the line x+y=3. which statement proves how segments yz and xw are related