Book world receives 12 boxes of books each box contains 16 copies of the new best-seller norton's last laugh how many copies of norton's last laugh does the store receive?

Solve 17= -13 - 8x and show your work.

The students at jefferson middle school are raising money for a charity by selling t-shirts and hats. the number of t-shirts sold was 3 times the number of hats. the profit was $5 for each t-shirt sold and $2.50 for each hat sold. the students raised $840 for the charity. they used the system below to analyze their success and found the solution to be (144, 48). 5x+2.50y=840 x=3y how much did they earn from t-shirt sales?

Given right triangle abc, what is the value of tan(a)?