What is the sum of the geometric series 20 + 21 + 22 + 23 + 24 + ... + 29?

a) 1,023

b) 511

c) 2,407

d) 1,012

It is estimated that the value of a new car is reduced 30% after one year of ownership. Find the value after one year of a car that cost $21,600 new.

Which of the following is less than 11/30? a. 3/4 b. 2/3 c. 1/2 d. 1/3 e. 5/8

4/10 divided by 3/10

2. There are 8 volunteers at the telethon. The goal for the evening is to raise $952. If each volunteer raises the same amount, what is the minimum amount each needs to raise to meet the goal?

How many different pairs of numbers would be the difference of 12

You have 6 different video games. How many different ways can you arrange the games side by side on a shelf?

What is the least common multiple of 17 and 9?

One T-shirt is sold for every 5 people who attend a concert. What is the ratio of people to T-shirts sold? The ratio of people to T-shirts sold is to .

Which of the following is an example of a proper fraction? A. Al B. C. 3/4 D. 414

A sea lion dove from the water's surface at sea level to an altitude of - 216.12 meters in 2.4 minutes. What is the average change in the sea lion's altitude per minute?