8th Grade Weekly Skills 9

Johnny is at the store where there is a big sign telling

him that there is a $28.80 discount on a shirt that

originally costs $72. What percentage of the original

price is the discount?

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What is the answer

A large coffee urn dispenses coffee at a hospital cafeteria. The cafeteria is open from 6 am until 7 pm daily.

97 1/2% of what number is 351?

Helen is looking at her online bank account summary and sees a money transfer for + $250. Which of the following best describes + $250?

A lot of research is conducted on the sleeping habits of U. S. adults. One study reported that X, the amount of sleep per night of U. S. adults follows a normal distribution with mean μ=7.5 hours and standard deviation σ=1.2 hours.

For every 8th pitch tom throws he strikes out 5. how many strikes if he throws 30 pitches

Simplify the following expression: 5x-6y+5z-x-12y+2z

Jessica wants to buy a guitar. she has enough money in her bank accounts to pay cash for a new guitar for 1150 or a used guitar for 500. jessica wants to choose the guitar that has a better impact on her net worth.

What is 3.5 in fraction form

The range of which function is (2, infinity) ? y = 2x? y = 2 (5x) ? y = 5x + 2? y = 5x + 2?

What would this problem be factored to? a^2-b^2