Solve the problem. Express your answer as an integer or simplified fraction. - 4 =  - 3

A. - 14
B. - 6
C. 14
D. - 2


Answer: B

Mathematics

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Find the requested function value of ?.If sin ? = 0.7273, find cos ?.

A. 0.1930 B. 0.1404 C. 0.9437 D. 0.6863

Mathematics

Find the cost for the purchase at the last price if the commission is $4 per bond.Bond: WSNLast Price: 101.500Number Purchased: 13

A. $13,247.00 B. $13,195.00 C. $10,150.00 D. $12,948.00

Mathematics

Solve the problem using matrices.The table below shows the number of birds for three selected years after an endangered species protection program was started.Use the quadratic function y = ax2 + bx + c to model the data. Solve the system of linear equations involving a, b, and c using matrices. Find the equation that models the data.

A. y = 7x2 - 9x + 28 B. y = 10x2 - 27x + 21 C. y = 5x2 + 9x + 25 D. y = 6x2 + 18x + 20

Mathematics

Provide an appropriate response.You are asked to change 5 to an improper fraction. What should be your first step?

A. Multiply 8 and 5. B. Divide 8 by 13. C. Multiply 13 and 5. D. Add 5 and 8.

Mathematics