Which expression is equivalent to (x y) z?

(x + y) + z

2 z (x y)

x (y z)

x (y + z)

Mrs Parks takes the 9:38am train to the city. The trip takes 3hours and 20 minutes. What time does Mrs Park arrive in the city?

Choose the best buy available. A) a can of tomatoes for 53¢ B) one can of tomatoes with a 20% discount when the regular price is 68¢ per can

One kilogram = 2.2 pounds. Using ratio-proportion, convert 135 pounds to kg

What is the amount of sales tax owned on a 6 dollar book if the tax rate is 5 percent

Ben wants to have his birthday at the bowling alley with a few of his friends but he can spend no more than $80 the bowling alley charges a flat fee of $45 for a private party and $5.50 per person for those rentals and unlimited bowling

The current (I) in an electrical conductor varies inversely as the resistance (R) of the conductor. The current is 6 amperes when the resistance is 722 ohms.

Whats the selling price if the cost is $99.50 and the markup is 95%?

You ran 4 miles. Rob ran half as far as you. Tim ran half as far as rob. Nicole ran half as far as tim. Write an expression for how far Nicole ran

During the summer you work 30 hours per week at a gas station and earn $8.75 per hour. You also work as many hours as you want. You want to earn a total of $400 per week. How many hours must you work as a landscaper?

Morgan has an investment worth $30,000 dollars invested at 5% simple interest. If no withdrawals or deposits were made, what is the balance after 20 years? O $50,000 O $45.000 $60,000 O $80,000