Use the addition property of equality to solve the equation.-21 = f - 27
A. -6
B. 48
C. -48
D. 6
Answer: D
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Solve the system by the substitution method. If there is no solution or an infinite number of solutions, so state. Use set notation to express the solution set.
A. {(5, -2)} B. {(-6, -2)} C. no solution; ? D. {(-5, -3)}
Divide.
A. 122 B. 122 R 11 C. 125 R 5 D. 125 R 50
Solve by using the addition and multiplication properties of inequalities.-24r + 4 ? -4(5r + 7)
A. r ? 8 B. r > 8 C. r < 8 D. r ? 8
Solve.A homeowner wants to fence in a triangular garden. One side of the garden is edged by a brick wall and 20 feet of fencing is purchased to fence in the other two sides. The angle that one edge of the garden makes with the wall is 20° and 12 feet of fencing is needed for this edge. Is there enough fencing left to edge the second side?
A. Yes B. No