Solve the simultaneous equations x + 3 y = 14
− x + 2 y = 6

Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?

Calculate the missing value. round the answer to on decimal place. start with 70, increase it by 21%, and end up with

Afair die is cast four times. calculate the probability of obtaining exactly two 6's round to the nearest tenth of a percent