Elaina wrote two correct variable expressions to represent the phrase “one-fourth of a number.” which variable expressions could elaina have written? select each correct answer. 4 ÷ n n/4 1/4n 4n

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.

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.

What is the following sum in simplest form? square root 8 + 3 square root 2 + square root 32