Find the measure of ∠D if

∠A =

5

2

x + 16

∠B =

7

2

x + 20

∠C =

3

2

x + 68

∠D =

3

2

x + 40

2n^2+n-1=0 In factoring form

A newsstand spends $600 a month on rent and electricity, and it spends $2 for each magazine that it sells. The newsstand charges $5 for each magazine. If nis the number of magazines, which equation represents the profit function of the newsstand?

A number whose cube roots are integers or quotient of integers.

Jen bought some sesame bagels and some plain bagels. The ratio of the numbers of sesame bagels to the number of plain bagels is 1:3. A. What is the fraction of the bagels that are plain. B. What percent of the bagels are plain. C.

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X=y-1 X+2y=8 Solve each system by substituation

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Determine if the statement is always, sometimes or never true. A natural number is a whole number. a. always c. never b. sometimes