Multiply.(12 - 5r)(12 + 5r)
A. 144 - 5r2
B. 144 + 120r - 25r2
C. 144 - 120r - 25r2
D. 144 - 25r2
Answer: D
You might also like to view...
Solve the equation (x in radians and ? in degrees) for all exact solutions where appropriate. Round approximate answers in radians to four decimal places and approximate answers in degrees to the nearest tenth.3 cos2? + 2 cos ? = 1
A. {51.8° + 360°n, 128.2° + 360°n} B. {70.5° + 360°n, 180° + 360°n, 289.5° + 360°n} C. {49.8° + 360°n, 130.2° + 360°n, 229.8° + 360°n, 310.2° + 360°n} D. {103.2° + 360°n, 145.2° + 360°n, 283.2° + 360°n, 325.2° + 360°n}
Determine if the given value is a solution to the equation.10
8n - 7 = 73
A. Yes B. No
Rewrite the statement so the inequality symbol points in the opposite direction.8.78 < 8.89
A. 8.78 > 8.89 B. 8.78 ? 8.89 C. 8.89 ? 8.78 D. 8.89 > 8.78
Solve.A restaurant has a capacity of 70 patrons. If the restaurant is 
full, how many patrons are at the restaurant?
A. 48 patrons B. 42 patrons C. 7 patrons D. 36 patrons