Which of the following is an exponential equation?

A.

3x + 2 = 23

B.

5 - x2 = 4

C.

3x + 2 = 23

D.

7 - 0.5x = 2x

A shipment to a warehouse consists of 4,250 MP3 players. The manager chooses a random sample of 50 MP3 players and finds 2 that are defective. How many MP3 players in the shipment are likely to be defective?

A store is offering a 25% discount on all items. Also, employees get a 10% employee discount. If you are an employee, which discount would you want to be applied first to save the most money?

The storage room has: 4 footballs, 4 basketballs, 3 soccer cleats, 2 soccor balls 2 helmets and a tennis racket.

There were 60 seventh grade students who signed up for soccer tryouts last year. This year, 48 seventh graders signed up for tryouts. What is the percent decrease in the number of students from last year to this year?

True or false can a triangle be formed with sidsides 4 inches, 5inches, and 8 inches

What is 20% more than $960

A grocery store bought yogurt for $2.60$ 2.60 per container and stored it in two refrigerators. During the night, one refrigerator malfunctioned and ruined 1414 containers. If the remaining yogurt is sold for $4.08$ 4.

What is 8 times 10 to the third power

Archie is itemizing deductions on his federal income tax return and had $1700 in non-reimbursed work expenses last year.

1. what is 60% of 50? 20 or 30? 2. 50% of 40? 20 or 30 3. 12% of 50? 20 or 30