Abag contains 6 red, 3 black and 6 white balls. a ball is drawn at random from the bag. find the probability that the ball is (a) either red or black (b) neither red nor black.

The value of x in this system of equations is 1. 3x + y = 9 y = –4x + 10 substitute the value of y in the first equation: combine like terms: apply the subtraction property of equality: apply the division property of equality: 3x + (–4x + 10) = 9 –x + 10 = 9 –x = –1 x = 1 what is the value of y?

Darren earned $663.26 in net pay for working 38 hours. he paid $118.51 in federal and state income taxes, and $64.75 in fica taxes. what was darren's hourly wage? question options: $17.45 $19.16 $20.57 $22.28

At noon a tank contained 10cm water. after several hours it contained 7cm of water. what is the percent decrease of water in the tank?