Write an algebraic expression using n the sum of a number and 7

For the geometric sequence 3, 12, 48, 192 find the indicated term

A dvd is on sale for $1.05 off. this is a 15% discount from the original price. use an equation to find the original price.

Sophie earns $7 an hour babysitting and $8 an hour for cleaning the house last week she babysat for 3 hours and cleaned for 2 hours how much did sophie earn last week

How do you solve

A jar of peanut butter normally costs $4.00. Today it's on sale for $3.60. What is the percentage of the discount?

In a restaurant, a study found that 42% of patrons smoked. if the seating capacity is 60 people, about how many people smoke

Shanna's collection of antique pottery has increased in value over the past two years. Two years ago, the value of her collection was $755. If the value increased 5% during the first year and 7% during the next year, what is the current value?

There are 48 cards in a pack and each card is either red or black. The ratio of the number of red cards to the number of black cards is 1 : 1 8 red cards are removed from the pack.

What is 6 factors of 20

My problem says blank is what percent of $80 = $20