Which number from the replacement set {3, 6, 12} makes the equation 2x + 3 = 9 true?

If the value of x increases by 5, how does the value of m(x + 3) change? a) it increases by 5m. b) it increases by 8m. c) it decreases by 5m. d) it decreases by 8m.

Boris needs to buy plastic spoons. brand a has a box 42 spoons for $2.37. brand b has a box of 72 spoons for $3.57. find the unit price for each brand. then state which brand is the better buy based on the unit price. round your answer to the nearest cent.

What is the value of the expression i 0 × i 1 × i 2 × i 3 × i 4? 1 –1 i –i