13 + (4 + 10) = 27 the numbers and the parentheses to create an equivalent addition sentence that illustrates the associative property of addition.

One-fifth of the population of a Midwest city is 8466. What is the population?

Which of the following statements is true? A. A 25o angle is congruent to a 25o angle. B. Two intersecting lines form two pairs of congruent angles. C. It is possible for congruent angles to add up to 90o. D. All of the above are true.

What is the expanded form of this number? 630.052

Which best describes the intersection of a pyramid and a plane parallel to one face of the pyramid that is not the base? A. Square B. Triangle C. Rectangle D. Cannot be determined

What kind of angles are formed if you divide a right angle in half

You had 26$ in your pocket. You purchased x pens at $3.50 each. You now have $8.50 in your pocket. Write and solve an equation to find the number of pens purchased

Which of the following statements best describes the location of - (-4) on a number line? It is 4 units to the left of 0. It is 4 units to the right of 4. It is 4 units to the left of 4. It is 4 units to the right of 0.

When dividing with polynomials, the goal is to determine how many times the dividend can be evenly divided by the?

Which of the following four items is the least like the other three? A, H, I, E

3. Simplify 2a + 2 / a^2 - 1 A) 2 / a - 1 B) 2a + 2 / a^2 - 1 C) - 2 D) a + 1 / a - 1