Find the LCM of the expressions.3x, xy
A. 3xy
B. 2xy
C. 4x2y
D. 3x2y
Answer: A
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Convert to an exponential equation.log7 49 = 2
A. 749 = 2 B. 492 = 7 C. 27 = 49 D. 72 = 49
Solve below
a2 + 2ab + b2 ÄÄÄÄÄÄÄÄÄÄÄÄÄ = a + b a. a - b b. 2a + b c. a + 2b d. a + b e. -a - 2b
For the given vectors u and v, find the angle between them.u = 
, v = 
A. 96.5° B. -14.2° C. 100.6° D. 104.2°
Solve the problem.A leading electronics manufacturer guarantees the buyer that their purchase will have no defects. If the purchased item is later shown to be defective, the buyer can receive a full refund along with a 20% discount on their next purchase. Let d represent "The purchase contains no defects," r represent "The buyer will receive a full refund," and q represent "The buyer will receive a 20% discount on their next purchase." Write the guarantee symbolically.
A. d ? (r ? q) B. ~d ? (r ? q) C. d ? (r ? q) D. (d ? r ? q)