Factor the trinomial, or state that the trinomial is prime. Check your factorization using FOIL multiplication.10x2 + 21x + 9
A. (10x + 3)(x + 3)
B. (2x + 3)(5x + 3)
C. (2x - 3)(5x - 3)
D. prime
Answer: B
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Find the inventory values using (a) the weighted-average method, (b) the FIFO method, and (c) the LIFO method. Round to the nearest dollar.PurchasesNow in InventoryBeginning inventory: 35 units at $6.11June: 45 units at $6.63August: 30 units at $7.0060 units
A. (a) $722 (b) $367 (c) $420 B. (a) $722 (b) $409 (c) $420 C. (a) $394 (b) $409 (c) $380 D. (a) $394 (b) $380 (c) $409
Perform the indicated matrix operations.Let A = 
and B = 
. Find 2A + 3B.
A. 
B. 
C. 
D. 
Solve the problem.What is the probability that at least 2 people have the same birth month in a group of 3 people?
A. 0.726 B. 0.236 C. 0.764 D. 0.274
Find the least common denominator (LCD).
, 
A. x(x + 1)(x + 9) B. x(x + 9) C. x(x + 9)2 D. (x + 9)2