Decide whether the equation is or is not an identity.sin  = sin A + cos A

A. Identity
B. Not an identity


Answer: B

Mathematics

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Find the exact value of the expression.

A. - 
B. -2
C. - 
D. -

Mathematics

Find the probability of the event.If two 12-sided dice are rolled what is the probability that both numbers will be even?

A.
B.
C.
D.

Mathematics

Solve the problem.Joe bought 8 bolts on one day and 4 more the next. How many bolts did he buy?

A. 22 bolts B. 4 bolts C. 13 bolts D. 12 bolts

Mathematics

Solve the problem.A thermometer reading  is brought into a room with a constant temperature of  If the thermometer reads  after 5 minutes, what will it read after being in the room for 7 minutes? Round your answer to two decimal places.

A. 40.84°F B. 31.15°F C. 119.16°F D. 59.44°F

Mathematics