Simplify. If an expression does not represent a real number, state this.

A. 3
B. 5
C. 9
D. ±3


Answer: A

Mathematics

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Find the extreme values of the function subject to the given constraint.  

A. Maximum: 1 at    minimum: -1 at   
B. Maximum: 8 at    minimum: -8 at   
C. Maximum: 1 at    minimum: -1 at   
D. Maximum: 9 at    minimum: -9 at   

Mathematics

? is an acute angle and sin ? and cos ? are given. Use identities to find the indicated value.sin ? = , cos ? = . Find sec ?.

A.
B.
C.
D.

Mathematics

Solve the problem.The floor of a rectangular room is to be tiled with  foot square tiles along a 9 foot wall. How many tiles will be needed along the wall?

A. 29 tiles
B. 3 tiles
C. 34 tiles
D. 27 tiles

Mathematics

Find the product.31% of 1300

A. 40.3 B. 403 C. 40,300 D. 4030

Mathematics