Combine like terms whenever possible. Write the result with descending powers.-4y8 - 7y7

A. -11y7
B. -11y15
C. Cannot be simplified
D. -11y8


Answer: C

Mathematics

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Find the absolute extreme values of the function on the interval.f(x) = ex - x, -5 ? x ? 2

A. absolute minimum value is 1 at x = 0; no maximum value B. absolute minimum value is e-5 + 5 at x = -5; absolute maximum value is e2 - 2 at x = 2 C. absolute minimum value is 1 at x = 0; absolute maximum value is e2 - 2 at x = 2 D. absolute minimum value is 1 at x = 0; absolute maximum value is e-5 + 5 at x = -5

Mathematics

Subtract in the indicated base.

A. 456seven B. 646seven C. 466seven D. 465seven

Mathematics

Find the missing measurement in the figure.  a = 1.3 m  b = 1.3 m c = 5.7 m

A. z = 5.7 m B. z = 3.2 m C. z = 4.1 m D. z = 3.1 m

Mathematics

Solve the problem. Round amounts to the nearest cent and percents to the nearest tenth of a percent.A DVD player that costs $152 sells for a 30% markup based on the cost. What is the selling price of the DVD player?

A. $45.60 B. $506.67 C. $197.60 D. $116.92

Mathematics