Estimate the sum or difference by rounding each number to the nearest ten.

A. 267
B. 280
C. 300
D. 270


Answer: B

Mathematics

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Convert the decimal number to the given base.503 to base eight

A. 767eight B. 676eight C. 656eight D. 565eight

Mathematics

Perform the computation.64 + (-38)

A. 102 B. -102 C. -26 D. 26

Mathematics

Graph the function f(x) over the given interval. Partition the interval into 4 subintervals of equal length. Then add to your sketch the rectangles associated with the Riemann sum , using the indicated point in the kth subinterval for ck.f(x) = cos x + 3, [0, 2?], right-hand endpoint

A.

B.

C.

D.

Mathematics

Determine two pairs of polar coordinates for the point with 0° ? ? < 360°.(0, )

A. (, 90°), (- , 270°)
B. (7, 0°), (-7, 180°)
C. (7, 90°), (-7, 270°)
D. (, 270°), (- , 90°)

Mathematics