Which property explains why these two expressions are equal?

(W + 2/3) + 5=W + (2/3+5)

In a standard normal curve, what percentile corresponds to a z score of 1.0?

What is the simplified form of 2√7 - (-8√7) - 3√7?

Round 9.83627974 to nearest thousandth

If Y = (Negative) - 4X + 2 and X is (negative) - 1 what is Y

3. Convert 123 ounces to pounds.

Solve 3x^2 - 5x - 1 = 0 by using the Quadratic Formula. If necessary, round to the nearest hundredth.

Five less than the product of - 3 and a number is - 2 Needs to be an equation

Create an equation and solve. The cost of a concert ticket for a student is $2 less than one half of the cost for an adult. The cost of the student ticket is $5. Let 'a' represent the cost of an adult ticket.

Vector A and Vector B have the same direction, and they both have a magnitude of 6. What must be true about Vector A and Vector B? a. They are equal and parallel. b. They are opposites, but not parallel. c. They are opposites and parallel. d.

W is greater than - 8 and less than 8 using inequalities