In January, the depth of a lake was 808 feet. In August, the depth of the lake was 606 feet. What is the percentage decrease decreases of the depth of the lake from January to August?

A. 33%

B. 75%

C. 25%

D. 30%

F a plane slices horizontally through the solid cube, what is the shape of the cross-section?

Use the given information to find the indicated probability. P (A ∪ B) =.7, P (B) =.5, P (A ∩ B) =.3. Find P (A).

Find the interquartile range for the Dara set : 10,3,8,6,9,12,13 A. 12 B. 8 C. 6 D 7

A hiker in Africa discovers a skull that contains 32% of its original amount of C-14. find the age of the skull.

What is the inverse of y=4x-16

1. z^2 = 1 √{ } = √{ } z = ± { } The solutions are { } and { }

What is the rate for 171 And 3

At the start of the summer, you have $603.15 in the bank. You make deposits of $90.89 in June, $106.03 in July, and $70.04 in August. At the end of the summer, how much money do you have in the bank?

A plane traveling from phoenix to san Francisco with a tailwind of 35 miles per hour takes 2.5 hours. returning with the headwind it takes the same plane 2 hours and 45 minutes. what is the average speed of the plane in calm conditions?

Mildred bought 2-cent stamps, 4-cent stamps, and 5-cent stamps for $4.35. The number of 2-cent stamps exceeded the number of 5 cent stamps by 50. The number of 4-cent stamps was 10 less than twice the number of 5-cent stamps.