Which of the following is equivalent to √-80?

A. - 4i√5

B. 16i√5

C. 4i√5

D. 2i√5

Select the correct answer from each drop-down menu. Let e (x) be the elevation, in meters, of a cable car from the ground, x minutes after it begins descending from the top e (t) = 840 - 52.

What is the approximate volume of a tree trunk is the trunk is 12 feet tall with a circumference of 4.5

Evita has 9 quarters, 7 dimes, and 5 nickels. does she have enough money to buy a box of crayons for $3.25

A store is offering a 20% discount on all sales over $50. If you purchase a shirt and a pair of jeans for $62.50, what is the amount of the discount you would recieve?

The ratio of bous to girls in the school is 1 to 4. If there are 20 girls, how many boys are there?

A coach on a basketball team ordered jerseys for each player. Each one cost $12.95. The shipping charge for the entire order was a one-time fee of $20. The coach spent under $125 for the shirts and the fee.

A type of ribbon costs $0.32 per yard. How much do 4.5 yards of the ribbon cost?

Between which two square roots of integers could you find π?

A fraction with a zero in the numerator equals

Trella Alcala deposited 1950.00 in a new credit union savings account on the first of the quarter. The principal earns 4.25 percent interest compounded quarterly. What was the amount in her account at the end of the 6 months?