Shelley spent 17 minutes washing the dishes. She spent 38 minutes cleaning her room. Explain how you can use mental math to find how long Shelley spent on the two task.

At a local fitness center, members pay aa $10 membership fee and $5 for each aerobics class. Nonmembers pay $6 for each aerobics class. For what number of aerobics classes will the cost for members and nonmembers be the same?

Find the volume of a regular triangular pyramid if it has height h=12 cm, base edge b=10 cm and height of the triangular base hb ≈ 8.7 cm.

Edgar borrowed a total of $10,000 from three sources: the bank, his mom, and a close friend. After one year, he paid a total of $624 in simple interest toward the three loans.

What is 1/3*4 I need it for homework I am working on Fraction Multiplication

Convert the decimal expansion 0.2777 ... to a fraction

Solve the inequality. -6 < 2 x - 4 < 4 A) - 5 < x < 0 B) - 4 < x < 6 C) - 1 < x < 4 D) - 12 < x < - 2

Law of sines: StartFraction sine (uppercase A) Over a EndFraction = StartFraction sine (uppercase B) Over b EndFraction = StartFraction sine (uppercase C) Over c EndFraction In △BCD, d = 3, b = 5, and m∠D = 25°.

Name the property used to make the conclusion. If x=y and y=4, then x=4.

Find tje prime factorazation 79

What is equal to 20/40?