Solve the system of equations
the equations.
-x + 2y = -3 and 8x – 3y = -5 by combining

Fredrick designed an experiment in which he spun a spinner 20 times and recorded the results of each spin

Evaluate 3(a + b + c)squared for a = 2, b = 3, and c = 4. a. 54 b. 243 c.729 add solution .

An airplane travels at an unknown elevation before it descends 3 miles to an elevation of 15 miles. find the elevation of the plane before its descen.