How is associative property like commutative property

What does 3 - 4y + 9y equal to

A manager of a grocery store wants to determine if consumers are spending more than the national average of $150 with a standard deviation of $30. The manager collects 10 random receipts and finds that the average customer spends $160.

A one-year membership to a gym costs $725. The registration fee is $125, and the remaining amount is paid monthly. Define a variable. Then write and solve an equation to find how much new members pay each month

I deposited 800 in my account a year later i get 56dollars in my account at what rate of intrest was i paid on my savings

What is the greatest whole number that rounds to 67400 what is the least whole number

What does 0 mean in a number line

If the letters in the word decagon are arranged at random, find the probability that the first letter is a g

Suppose that 1 euro is worth $1.25. In Europe, a book costs 19 euros. In Los Angeles, the same book costs $22.50. In which location is the book less expensive?

How do I solve 0.6:3.89

The spin on a washing machine takes out 35% of the water in clothes. The clothes in the washing machine contain 3 pints of water. How much water is left after a spin?