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