Simplify. Assume variables represent nonnegative values.
A. 7xy
B. 7xy
C. xy
D. 7xy
Answer: B
Mathematics
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Solve by any desired method. If there is no real number solution, say so.4x2 + 12x = -6
A. x = 
B. x = 
C. x = 
D. x = 
Mathematics
Use sum-to-product identities to rewrite the expression as a product.cos 61° + cos 35°
A. 2 sin 48° cos 13° B. -2 sin 48° sin 13° C. 2 cos 48° cos 13° D. 2 cos 48° sin 13°
Mathematics
Solve the problem.In Amy's state, the sales tax rate is 1.5% for the city and 5.75% for the state. Find the total amount paid for 4 chairs at $79 each.
A. $84.73 B. $334.17 C. $339.70 D. $338.91
Mathematics
Solve.-2p - 7 = -2 - 10p - 9p
A. {
}
B. {
}
C. {- 
}
D. ?
Mathematics