Find the product and simplify. ? 

A. z
B. -z
C. - 
D. 1


Answer: D

Mathematics

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Solve the problem.You are asked to make some circular cylinders, each with a cross-sectional area of   To do this, you need to know how much deviation from the ideal cylinder diameter of  cm you can allow and still have the area come within  of the required   To find out, let 

src="https://sciemce.com/media/4/ppg__as0610192007__f1q246g5.jpg" alt="" style="vertical-align: -17.0px;" /> and look for the interval in which you must hold x to make  What interval do you find?

A.
B.
C.
D.

Mathematics

Solve the problem.Which statement(s), if any, are true about right triangles? a: Right triangles can be acute. b: Right triangles can be equilateral. c: Right triangles cannot be obtuse.

A. a B. a, b, and c C. c D. b and c

Mathematics

Write the solution set in interval notation.2 ? x ? 6

A. {x|6 ? x ? 2} B. {x|2 ? x ? 6} C. {x|6 ? x ? 2} D. {x|2 ? x ? 6}

Mathematics

Solve the problem. Round to an appropriate number of significant digits.Best Rentals charges a daily fee plus a mileage fee for renting its cars. Barney was charged $117 for 3 days and , while Mary was charged $206 for 5 days and . What does Best Rental charge per day and per mile?

A. $29 per day and 12¢ per mile B. $28 per day and 11¢ per mile C. $11 per day and 28¢ per mile D. $27 per day and 12¢ per mile

Mathematics