Which sets of numbers are closed under subtraction?

Choose all answers that are correct.

A.

whole numbers

B.

negative integers

C.

integers

D.

rational numbers

What is the solution set of the inequality - 7 < x 2 < 4? - 5 < x < 6 - 9 < x < 2 - 5 < x < 2 - 9 < x < 6

Simplify completely 12 times x to the third power minus 4 times x to the 2nd power plus 8 times x all over negative 2 times x. -6x2 + 2x + 4 -6x2 + 2x - 4 6x4 - 2x3 + 4x2 6x2 - 4x2 + 8x

Is y = |x|-1 a linear equation

frank and his mom got some fruit at the fruit stand yesterday. they bought 2 and 1 half pounds of peaches, 7 eighths of a pound of raspberries, and 1 and 1 fourth pounds of apricots. How many pounds of fruit did they buy in all?

what is the domain of f (x) = cos (x) ? A. the set of real numbers - 2pi ≤ x ≤ 2pi B. the set of real numbers - 1≤x≤1 C. the set of real numbers 0≤x≤2pi D. the set of all real numbers

The infinite geometric sum formula can be used to write 0.126126126 ... as a fraction. What is the numerator of this reduced fraction? A. 7 B. 14 C. 42 D. 126

Two sides of a right triangle have lengths of 78 inches and 30 inches the third side is not the hypothesis how long is the third side

There are 4 Board of Directors positions open. 2 will be for men, 2 will be for women. Out of 20 candidates, 11 are men, 9 are women. How many total outcomes are possible?

What is 7 / 28ths simplified?

Convert 35/20 into a decimal