Subtraction is a commutative operation. When writing an expression for the difference of two numbers, it does not matter what order the numbers are in.

a. True

b. False

What requirements must be met by a mathematical system in order to be a field?

In how many ways can president, vice-president, and secretary be chosen from 9 students?

If triangle QRS is congruent to triangle XYZ, what are 2 pairs of congruent sides and 2 pairs of congruent angles?

If you werevto draw three different parallelograms each with a base of 6 units and a height of 4 units how would the areas compare?

What is the slope intercept form of - 3x-y+7=0

Count by ones from 368 to 500. change for a larger unit if. necessary. When counted from 368 to 500

Which of the following is equivalent to 2x-8+3 (4-x) A] 4-x B] x-4 C] 5x+4 D]5x-20

The school choir is going on a field trip to see an opera. There are 34 students and 5 teachers going on the trip. If each ticket costs $9.50, about how much money do they need to raise to pay for the cost of the trip?

A music concert will be held at the arena. The promoters have already sold 4,000 tickets Each ticket costs $30. How much money has already been collected?

If a 5 is an integer when is 9/6 always equal to an integer a) b equals 0 b) b < 1 c) b > d) b=1 or - 1