Multiply and simplify.
? 
A. 
B. 
C. 
D. 
Answer: B
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Evaluate the expression.
A. 34 B. 45 C. 11 D. 18
Solve the problem.A boat on a river goes 77 miles downstream in 2 hours and 45 minutes. The return trip takes 3 hours and 30 minutes. If the boat's speed is the same in each direction, find the speed of the boat and the speed of the current.
What will be an ideal response?
Find the fifth term and the nth term of the geometric sequence whose initial term, a, and common ratio, r, are given.a = -3; r = -4
A. a5 = -768; an = -3 ? (-4)n-1 B. a5 = 192; an = -3 ? (-4)n-1 C. a5 = -768; an = -3 ? (-4)n D. a5 = 192; an = -3 ? (-4)n
Solve.The hypotenuse of a right triangle is 13 feet long. One leg of the triangle is 3 feet longer then the other leg. Find the perimeter of the triangle.
A. (
- 13) ft
B. 
ft
C. (
+ 13) ft
D. 
ft