Find the product.(5r + 2t)4
A. 625r4 + 1000r3t + 600r2t2 + 160rt3 + 16t4
B. 625r4 + 1000r3t + 600r2t2 + 1000rt3 + 16t4
C. 625r4 + 5r3t + 1000r2t2 + 1000rt3 + 16t4
D. 625r4 + 625r3t + 600r2t2 + 600rt3 + 16t4
Answer: A
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Provide an appropriate response. A rectangle box has a base of 12 inches by 18 inches. What would the length of the base of a second box be to have the same area if the width is 9 inches?
A. 24 inches B. 72 inches C. 54 inches D. 21 inches
Does the graph represent a function that has an inverse function?
A. Yes B. No
Find the indicated roots.Tenth roots of -4; trigonometric form
A. 
(cos 18° + i sin 18°), 
(cos 54° + i sin 54°), 
i, 
-
i, 
B. 
, 
(cos 36° + i sin 36°), 
(cos 72° + i sin 72°), 
-
, 
C. 
(cos 18° + i sin 18°), 
(cos 54° + i sin 54°), 
i, 
(cos 126° + i sin 126°), 
D. 
, 
, -
, 
Solve the problem.How many liters of a 20% alcohol solution must be mixed with 60 liters of a 90% solution to get a 70% solution?
A. 84 L B. 8.4 L C. 24 L D. 2.4 L