Factor by grouping.2x + 14 + xy + 7y
A. (y + 7)(x + 2)
B. (y + 7)(2x + y)
C. (x + 7y)(2 + y)
D. (x + 7)(2 + y)
Answer: D
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Provide an appropriate response.In oblique triangle ABC, find the indicated part. Round to the nearest 0.1°. Find C if B = 30°, b = 10 m, and c = 8 m.
Fill in the blank(s) with the appropriate word(s).
In a test flight of the McCord Terrier, McCord Aviation's experimental VTOL (vertical takeoff and landing) aircraft, it was determined that t sec after liftoff, when the craft was operated in the vertical takeoff mode, its altitude (in feet) was
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.
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Find an expression for the craft's acceleration at time t.
?
A. 
B. ?
C. ?
D. ?
E. ?
Solve the problem.The sun radiates energy into space at the rate of 3.9 × 1026 joules per second. How many joules are emitted in three weeks?
A. 7.07616 × 1059 joules B. 7.07616 × 1026 joules C. 7.07616 × 1032 joules D. 7.07616 × 1053 joules
Determine whether the correspondence is a function.Domain: A set of numbersCorrespondence: Multiply each number by 7 and then subtract 9.Range: A set of numbers.
A. No B. Yes