Jossems cell phone cost him $21 per month plus $3 for every 1GB of data downloaded. what is the limit to the number of GBs he can download to stay within his monthly budget of $30.

Evaluate the expression for the given value of the variable 7a - 4a for a =8

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.

Joe has a rectangular chicken coop. the length of the coop is 4 feet less than twice the width. the area of the chicken coop is 510 square feet. what is the length of the chicken coup?