Solve the inequality and graph. Express your answer in interval notation.-4(-2 - x) < 6x + 19 - 11 - 2x
A. (-?, 8)
B. ?
C. (-?, 0)
D. (-?, ?)
Answer: B
Mathematics
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Factor by grouping.18x2 + 24xy + 15xy + 20y2
A. (6x + 5y)(3x + 4y) B. (6x + 5)(3x + 4) C. (18x + 5y)(x + 4y) D. (6x - 5y)(3x + 4y)
Mathematics
Verify the identity.csc4 x - cot4 x = csc2 x + cot2 x
What will be an ideal response?
Mathematics
Find the exact value of the expression if ? = 30°. Do not use a calculator.g(?) = sin ?Find 4g(?).
A. - 
B. - 
C. 2
D. 2
Mathematics
Solve the problem.The distance D, in feet, it takes a car traveling at x mph to come to a full stop after hitting the brakes is given by 
What is the stopping distance for a car traveling at 40 mph? Round your answer to two decimal places.
A. 144 ft B. 96 ft C. 1900 ft D. 1922.44 ft
Mathematics