Find the sum.191 + 89 + 9 + 1

A. 270
B. 290
C. 280
D. 300


Answer: B

Mathematics

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Evaluate the integral.

A. ?
B. ?
C. ?
D. 265?

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Verify the identity.sin  = cos ?

What will be an ideal response?

Mathematics

Find the solution set of the equation. If the equation has no solution write ? and if the equation is an identity so state. +  =  + 

A.
B.
C.
D.

Mathematics

Solve the triangle. Round side lengths and angle measures to the nearest tenth when necessary. 

A. A ? 106°, B ? 55.7°, C ? 18.3° B. A ? 120.4°, B ? 47.1°, C ? 12.5° C. A ? 138°, B ? 32.6°, C ? 9.4° D. A ? 112°, B ? 52.6°, C ? 15.4°

Mathematics