Factor completely.14x2 - 49x - 28
A. (14x - 7)(x + 4)
B. 7(2x + 1)(x - 4)
C. (2x - 1)(7x + 28)
D. 7(2x - 1)(x + 4)
Answer: B
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Solve.x = 40,283 + 11,926
A. 52,266 B. 52,109 C. 52,209 D. 51,209
Solve the problem.A company makes 3 types of cable. Cable A requires 3 black, 3 white, and 2 red wires. B requires 1 black, 2 white, and 1 red. C requires 2 black, 1 white, and 2 red. The company used 100 black, 110 white and 90 red wires. How many of each type of cable were made?
A. 10 A; 30 B; 93 C B. 20 A; 30 B; 10 C C. 10 A; 103 B; 20 C D. 10 A; 30 B; 20 C
Use the formula for the general term (the nth term) of a geometric sequence to find the indicated term of the sequence with the given first term, a1, and common ratio, r.Find a11 when a1 = 5, r = -3.
A. -25 B. -885,735 C. 295,245 D. 295,249
Two boats leave the same port at the same time, with boat A traveling north at 20 knots (nautical miles per hour) and boat B traveling east at 40 knots. How fast is the distance between them changing when boat A is 4 nautical miles from port? Round your answer to two decimal places. ?
A. The distance between the boats is changing at the rate of 35.78 knots. B. The distance between the boats is changing at the rate of 13.42 knots. C. The distance between the boats is changing at the rate of 44.72 knots. D. The distance between the boats is changing at the rate of 38.01 knots. E. The distance between the boats is changing at the rate of 100.00 knots.