Solve the problem.The sum of the ages of Art, Ben, and Cal is 59. Art is 1 year older than Cal and Cal is 1 year younger than Ben. Which of these people were teenagers 7 years ago?
A. Ben
B. Art and Ben
C. Art, Ben, and Cal
D. Art
Answer: B
Mathematics
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Solve the problem.A rectangle has a length of x + 3 and a width of x - 3, and has an area of 40 square units. Find the length and width of the rectangle. (A = LW)
A. width = 5 units; length = 8 units B. width = 1 unit; length = 40 units C. width = 2 units; length = 20 units D. width = 4 units; length = 10 units
Mathematics
Perform the operation and give the answer as a fraction in lowest terms.
- 
A. 
B. 
C. 
D. 
Mathematics
Express the number in decimal notation.6.86 × 10-2
A. -13.72 B. 0.686 C. 0.00686 D. 0.0686
Mathematics
Use the Remainder Theorem to find the remainder.f(x) = 3x3- 6x2 - 4x + 17 is divided by x + 2
A. -23 B. -39 C. -25 D. 0
Mathematics