Use the distributive property to multiply. Then, if possible, simplify the resulting expression.3(7 + m)
A. 21m
B. 21 + m
C. 21 + 7m
D. 21 + 3m
Answer: D
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Solve the problem.A gas station sells 4820 gallons of regular unleaded gasoline in a day when they charge $4.05 per gallon, whereas they sell 3855 gallons on a day that they charge $4.10 per gallon. Find a linear equation that expresses gallons sold, G, in terms of price, p. Use this equation to predict the number of gallons sold at a price of $3.92 per gallon.
A. 7329 gallons B. 7333.1 gallons C. 7325.7 gallons D. 7338 gallons
Let U = {q, r, s, t, u, v, w, x, y, z}, A = {q, s, u, w, y}, B = {q, s, y, z}, and C = {v, w, x, y, z}. List the elements in the following set.
A. {t, v, x} B. {r, t, v, x} C. {s, u, w} D. {r, s, t, u, v, w, x, z}
A function of x is depicted in the graph. Find any input values that produce the indicated output.f(x) = -2
A. x = -4 and x = 0 B. x = 4 and x = 0 C. x = -8 and x = 4 D. x = -4
Use reference angles to find the exact value of the expression. Do not use a calculator.sin 
A. 
B. - 
C. -1
D. - 