Solve the system by the addition method.
?

?

A.
B.
C.
D.
E.


Answer: E

Mathematics

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Solve the problem.Roger walks and jogs to his favorite coffee shop to study each weekend. He averages  walking and  jogging. The distance from his home to the coffee shop is  and he makes the trip in  How long does Roger jog?

A. 3 hr B. 1 hr C. 4 hr D. 2 hr

Mathematics

Find the prime factorization of the product.45 ? 15 ? 49

A. 3 ? 9 ? 5 ? 5 ? 7 ? 7 B. 3 ? 3 ? 5 ? 5 ? 7 ? 7 C. 3 ? 3 ? 3 ? 3 ? 5 ? 7 ? 7 D. 3 ? 3 ? 3 ? 5 ? 5 ? 7 ? 7

Mathematics

Find the domain and range for the function.

A. D: {-6, -4, 4, 6}; R: {-4, -2, 4, 6} B. D: {-4, -2, -1, 3, 4, 6}; R: {-6, -4, -2, 2, 4, 6} C. D: {-6, -4, -2, 0, 2, 4, 6}; R: {-4, -2, -1, 3, 4, 6} D. D: {-6, -4, -2, 2, 4, 6}; R: {-4, -2, -1, 3, 4, 6}

Mathematics

Provide an appropriate response.Six different candidates are running for state governor. By conducting a poll, you estimate the percentage of people who plan to vote for each candidate. It looks like a close race between two candidates. Suppose you wish to display the data in a graph. Your graph should clearly show which candidate is in the lead. Which graph would be more useful, a bar graph or a circle graph? Explain your answer.

What will be an ideal response?

Mathematics