Solve the equation. -  = 

A. {- }
B. {-5}
C. {- }
D. ?


Answer: C

Mathematics

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Use identities to simplify the expression.sec4 ? - tan4 ?

A. sec2 ? + tan2 ? B. (sec2 ? + tan2 ?)2 C. sec2 ? - tan2 ? D. 1

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Solve.A 35-inch-square TV is on sale at the local electronics store. If 35 inches is the measure of the diagonal of the screen, find the length of the side of the screen, rounding to the nearest tenth.

A. 24.7 in. B. 612.5 in. C. 3 in. D. 5.9 in.

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Find the probability.In a batch of 8,000 clock radios, 7% are defective. A sample of 10 clock radios is randomly selected without replacement from the 8,000 and tested. The entire batch will be rejected if at least one of those tested is defective. What is the probability that the entire batch will be rejected?

A. 0.100 B. 0.516 C. 0.484 D. 0.0700

Mathematics

Of the 669 tickets sold to a movie, 395 were full-price tickets costing $5.00 each. If the gate receipts were $3,208.00, what did a student ticket cost? ? Please enter your answer in dollars and cents.  Enter your answer without the units.

Fill in the blank(s) with the appropriate word(s).

Mathematics