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