Use the distributive property to rewrite the expression.(78x + 15y)

A. 26x + 5y
B. 62xy
C. 62(x + y)
D. 52x + 10y


Answer: D

Mathematics

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Suppose .  If the limiting value of z is 4, what is the limiting value of w? ?

A. 11 B. 0 C. 7 D. None of the above

Mathematics

Solve.Four pieces measuring 29.5 cm, 19.62 cm, 32.49 cm, and 24.74 cm are cut from a board that is 200 cm long. Allowing 1 cm for waste in cutting, what is the length of the remaining piece?

Fill in the blank(s) with the appropriate word(s).

Mathematics

Using only the labeled angles in the diagram, identify:


(a) Two pairs of alternate interior angles
(b) Two pairs of alternate exterior angles
(c) Two pairs of interior angles on the same side of the transversal
(d) Two pairs of exterior angles on the same side of the transversal
(e) Two pairs of corresponding angles

Mathematics

Find the largest open intervals where the function is concave upward.f(x) =   (exact values)

A. (-?, -1), (-1, ?)
B. None 
C. (-?, -1)
D. (, ?)

Mathematics