For a barbecue mrs. charles bought 12.5 pounds of hamburger meat for $2.89 per pound how much did the hamburger meat cost ? show your work

What is the solution to the equation below? 3/x-2+6=square root x-2 +8

Recall that two angles are complementary if the sum of their measures is? 90°. find the measures of two complementary angles if one angle is twenty dash nine times the other angle.

The diameter of the moon is about 3500 km. approximate the surface area of the moon using the formula for the surface area of a sphere, s = 4πr2. write your answer in scientific notation.