Solve the problem.Two angles have a sum of 84°. Their difference is 10°. Find the angles.

A. 75° and 9°
B. 39° and 49°
C. 45° and 39°
D. 47° and 37°


Answer: D

Mathematics

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Evaluate the integral.

A. 7 tan-1  -  + C
B. 7 sin-1  -  + C
C. sin-1  - 2 + C
D.  tan-1  +  + C

Mathematics

Match the function with its graph.f(x) = 

A.

B.

C.

D.

Mathematics

Let x represent one number and let y represent the other number. Use the given conditions to write a system of nonlinear equations. Solve the system and find the numbers.The sum of two numbers is 17 and their product is -18. Find the numbers.

A. -1 and 18 or 1 and -18 B. -1 and -18 or 1 and 18 C. 1 and -18 D. -1 and 18

Mathematics

Determine which point is a solution for the system of inequalities.

a. (0,0) b. (0,1) c. (3,0) d. (0,3) e. (0,-3)

Mathematics