Aflower pot's base has six sides that are all the same length. each side measures x - 6 units. the base's perimeter is 78 units.

what is the value of x?

Measures of the angle of r, 31 s (x+4) t (3x+9)

Use the linear combination method to solve the system of equations. explain each step of your solution. if steps are not explained, you will not receive credit for that step. 2 + 9 = −26 −3 − 7 = 13

Mr. roseanne will buy 12 1/2 pounds beef for for a cookout. the price for the first 3 pounds of beef is $4.99 per pound. after that, the price is $4.49 per pound. how much will mr.roshan pay for the beef