Estimate the sum or difference by first rounding to the nearest ten.62439368
A. 300
B. 335
C. 330
D. 340
Answer: C
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Solve the problem. Round to the nearest cent.A camera costs $840. If the sales tax rate is 9%, how much tax is charged and what is the total price?
A. $756.00, $1596.00 B. $75.60, $915.60 C. $84.00, $924.00 D. $67.20, $907.20
Provide an appropriate response.
Another student investigated a four-sided figure that looked like a parallelogram, but one pair of opposite sides was not parallel. She tried a different construction than the triangle in an attempt to create a parallelogram. She found that by flipping a copy of the original figure she made a large parallelogram. Which conclusion will correctly determine the area of the original shape? 
A. The area of the original figure can be found by taking twice the sum of the top and bottom and multiplying the result by the height of the original figure. B. The area of the original figure can be found by taking the sum of the top and bottom and multiplying the result by the height of the original figure. C. The area of the original figure cannot be determined with this analysis. D. The area of the original figure can be found by taking half the sum of the top and bottom and multiplying the result by the height of the original figure.
Use the partial sum formula to find the partial sum of the given arithmetic sequence.Find the sum of the first 41 terms of the arithmetic sequence {5n + 1}.
A. 4243.5 B. 4346 C. 4489.5 D. 4633
Find the sum of the arithmetic sequence.{6n + 8}, n = 46
A. 7,130 B. 6,716 C. 6,854 D. 6,969