Find all solutions of the given equation in the interval [0, 2?).
?
?
?
A. ?
B. ?
C. ?
D. ?
E. ?x = 0
Answer: A
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Factor as completely as possible. If unfactorable, indicate that the polynomial is prime.15x2 - 65x - 50
A. 5(3x + 2)(x - 5) B. (15x + 10)(x - 5) C. prime D. 5(3x - 2)(x + 5)
Solve the problem.The shadow cast by an object on a sunny day varies directly as the height of the object. If a person 72 inches tall casts a shadow 55 inches long, how tall is a tree which casts a shadow 48 feet in length?
A. 63.5 feet B. 36.67 feet C. 62.84 feet D. 82.5 feet
A deck of cards contains 52 cards. These cards consist of four suits - hearts, spades, clubs, and diamonds. Each suit contains one of each of the following: 2, 3, 4, 5, 6, 7, 8, 9, 10, jack, queen, king, and ace. Assume that one card is selected at random from a well-shuffled deck of cards.Find the probability that the card is a red king.
A. 
B. 
C. 
D. 
Simplify the algebraic expression.3(4 - 9a) + 8(5a - 7)
A. 13a + 44 B. 13a - 44 C. - 13a + 44 D. - 13a - 44