How many solutions does this system have?
-x + 2y = 16
4x - 8y = -64

Paint color preference children adults total 0.6 0.77 liked new paint color disliked new paint color 0.4 0.15 0.23 total 1.0 1.0 1.0 which value for x completes the conditional relative frequency table by column?

Which are the possible side lengths of a triangle?

Acone with radius 5 cm and height 12 cm how many cm ?