What is the least common multiple of 42 and 21

Alicia says that in 8 years twice her dog's age will be 20. How old is Alicia's dog now? Write and solve an equation to solve the problem

Identify the terms - 3xy2+2xy-4y3

A high school principal wants to test the overall mood in his school. He stops the first fifteen students who come into the office one morning and asks them to rate their high school experience on a scale of 1 (worst) to 10 (best).

Sebastian's pool is filled with 270 cubic meters of water. The base of the pool is 15 m long and 9 m wide. What is the height of the water in Sebastian's pool?

Solve for x. 3x/4 + 3 = 27 1. x = 32 2. x = 40 3. x = 42 4. x = 47.5

X / (4.2) = - 3 Theres no choices

Write a mathematical expression for the word phrase - 5/6 and 6/5

Pat has 4 flowerpots, and she wants to plant a different type of flower in each one. There are 7 types of flowers available at the garden shop. In how many different ways can she choose the flowers? 35 210 28 840

Which of the following best describes the set of numbers? - 1, 2, - 4, 8, ... -Infinite arithmetic series -Finite geometric series -Infinite geometric series -Infinite alternating sequence

18. Twelve theatre tickets cost $66. What is the cost of 5 tickets?