Alyssa is 12 years older than her sister, Bethany. The sum of their ages is 44. Find their ages.

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10. Which represents the number of lines of symmetry that are possessed by a regular n-gon?

Each hour, the temperature rose by 1 and 1/2 degrees. What was the change in temperature in 1 and 1/2 hours? A. 1 1/4. B. 2 3/4 C. 2 1/4. D. 3

A classmate says that a rectangular prism that is 6 cm long, 8 cm wide, and 15 cm high is similar to a rectangular prism that is 12 cm long, 14 cm wide, and 21 cm high. Explain your classmate's error.

Simplify negative 3 over 2 divided by 2 over negative 6

Suppose a triangle has sides a, b, and c with side c the longest side, and that a2 + b2 > c2. Let θ be the measure of the angle opposite the side of length c. Which of the following must be true? Check all that apply ...

Dion shares 1/3 cup of nuts equally with his brother. How much does each person get?

At a golf tournament, David scored + 6, Celia scored - 16, and Xaiver scored - 4. One of these three players was the winner of the tournament. Who won the tournament?

A spinner is divided into three equal sections labeled a B and C. Erik spins the spinner and rolls a fair number cube. The tree diagram shows the sample space for the possible outcomes.

A plant grew 2cm every day for d days l. How much did it grow

If f (x) = 0.5^x+1, evaluate f (-2).