Solve the inequality.

15 > -1/8x + 7

Frank has a devised a formula for his catering business that calculates the number of meatballs he needs to prepare. the formula is m=4a+2c, where c=number of children; m=number of meatballs; a=number of adults. how many meatballs are required for a party of 10 adults and 5 children?

Lines a and b are perpendicular. if the slope of line a is 3, what is the slope of line b?

How would you describe the difference between the graphs of f(x) = 2x2 and g(x) = -2x2?