Using the factoring method, solve for the roots of the quadratic equation.6x2 + 25x + 21 = -4
A. x = 
, x = 
B. x = 
, x = 
C. x = - 
, x = - 
D. x = - 
, x = - 
Answer: D
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Solve the problems.Brand X copier has improved its copier so that it produces 13% more copies than its old model. If the old model ran 419 copies per hour, how many copies would the new model run? Round your answer to the nearest whole number.
A. 458 copies per hour B. 224 copies per hour C. 434 copies per hour D. 473 copies per hour
Solve the problem.From a boat on the river below a dam, the angle of elevation to the top of the dam is 
If the dam is 1,421 feet above the level of the river, how far is the boat from the base of the dam (to the nearest foot)?
A. 3,491 ft B. 3,471 ft C. 3,461 ft D. 3,481 ft
Identify the group of terms as like or unlike.9m, 11m, -2m
A. Unlike B. Like
Multiply.-10(-1)
A. -10 B. -1 C. 1 D. 10