He sum of two numbers is 47. the greater number is 9 more than the smaller number. which equation can be used to solve for the smaller number? (5 points) x(x + 9) = 47 x + (x + 9) = 47 x(x − 9) = 47 x − (x + 9) = 47

A25-inch wide drum is used in a marching band. what area does the top of the drum cover? round to the nearest hundredth. (use 3.14 for pi.)

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.

The vertices of a triangle are a(7.5), b(4,2), and c19. 2). what is