Use the partial sum formula to find the partial sum of the given arithmetic sequence.Find the sum of the odd integers between 22 and 52.
A. 592
B. 555
C. 629
D. 518
Answer: B
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Find the sum.18
+ 
A. 8
B. 8
C. 27
D. 26
Solve the problem. Round dollars to the nearest cent and rates to the nearest tenth of a percent.The Oak House had a markup of $20.13 on an oak table that they sold for $75.99. Find (a) the cost, (b) the markup on cost, and (c) the selling price as a percent of cost.
A. $55.86, 26.5%, 73.5% B. $55.86, 36.0%, 136.0% C. $96.12, 20.9%, 79.1% D. $75.99, 26.5%, 377.5%
Write a slope-intercept equation for a line with the given characteristics.Passes through (6, -1.5) and (10, 3.5)
A. y = 1.25x - 9 B. y = 0.8x - 9 C. y = -0.8x - 9 D. y = -1.25x - 9
Graph the pair of polar equations on a calculator, together on the same screen, and use the trace feature to estimate the polar coordinates of all points of intersection of the curves. Round to the nearest hundredth, if necessary.r = 9, r = 1 + 8 sin ?
A. (1.57, 9) B. (9, 1.57), (9, 4.712) C. (9, 1.57) D. (9, 3.14)