Prove the identity.sec2x = 

What will be an ideal response?


Answers may vary. One possible solution is:
sec2x =   =  =  = .

Mathematics

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Perform the indicated operation.3 - 12

A. -9 B. 9 C. 15 D. -15

Mathematics

Solve.A box of cereal contains about 12 cups. A serving size is  cup. About how many servings are in the box of cereal?

A. 5 servings
B. 3 servings
C. 16 servings
D. 9 servings

Mathematics

Answer the question.A piece of rectangular sheet metal is 29 inches wide. It is to be made into a rain gutter by turning up equal edges to form parallel sides. Let x represent the length of each of the parallel sides. What are the restrictions on x?

A. 0 < x < 14.5 B. 0 < x < 29 C. 0 < x < 5.4 D. 0 < x < 9.7

Mathematics

Write the percent problem as an equation and solve.123 is 41% of what number?

A. 33 B. 0.33 C. 300 D. 3000

Mathematics