Multiply. Write the answer in simplest form. × 

A.
B.
C.
D.


Answer: D

Mathematics

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A new chocolate company is estimating how many candy bars per week college students will consume of their line of products. The graph shows the probable number of candy bars students (age 18-22) will consume from year 0 to year 10. B(x) gives the number of candy bars for boys, G(x) gives the number of candy bars for girls, and T(x) gives the total number for both groups. Use the graph to answer the question.Use the slopes of the line segments to decide in which period (0-5 or 5-10) the number of candy bars per week increased more rapidly.

A. 0-5 B. 5-10 C. The number of candy bars increased at the same rate in both periods

Mathematics

Solve the problem.When making a telephone call using a calling card, a call lasting 5 minutes costs $1.50. A call lasting 12 minutes costs $2.90. Let y be the cost of making a call lasting x minutes using a calling card. Write a linear equation that models the cost of making a call lasting x minutes.

A. y = -0.2x + 2.5
B. y = 5
C. y = 0.2x + 0.5
D. y = 0.2x - 9.1

Mathematics

Solve the equation by completing the square.x2 - 12x + 11 = 0

A. {, -1}
B. {11, 1}
C. {10, 1}
D. {-11, -1}

Mathematics

Give the domain and range of the function.

A. Domain [0, ?) ; Range (-?, -1] B. Domain (-?, ?) ; Range [0, ?) C. Domain (-?, -1] ; Range [0, ?) D. Domain (-?, -1) ? (-1, ?) ; Range (-?, 0) ? (0, ?)

Mathematics