Graph each system of inequalities and shade the portion of the graph represented by the solution set..

A.

B.

C.

D.


Answer: A

Mathematics

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Solve.A picture 16 inches by 21 inches is to be mounted on a piece of matboard so that there is an even amount of mat all around the picture. How wide will the border be if the area of the border is 164 square inches?

A. 4.5 in B. 3 in C. 2 in D. 4 in

Mathematics

Solve the problem.Find ? to the nearest hundredth of a degree, where -90° ? ? ? 90°.sin ? = -0.4333

A. 115.68° B. 25.68° C. -25.68° D. 23.43°

Mathematics

Divide.

A. 95 B. 9.5 C. 85 D. 8.5

Mathematics

Decompose v into two vectors v1 and v2, where v1 is parallel to w and v2 is orthogonal to w.v = i - 4j,w = 3i + j

A.

v1 = - i - jv2 = i - j

B. v1 = - i - jv2 = i - j
C. v1 = - i - jv2 = - i - j
D. v1 = - i - jv2 = i - j

Mathematics