Which equation represents exponential decay?

y = 1/2 (3) x

y = (9) x

y = (1.6) x

y = (1/5) x

Write a situation for the following inequality: x>25

Students were asked how many hours during the weekend they studied for a Monday exam. Each row of the table represents one sample from the class. Find the mean of each sample.

Simplify: (d - 3) (d + 9) A) d^2 + 6 B) d^2 - 27 C) d^2 - 12d - 27 D) d^2 + 6d - 27

Brandy's grandfather has a very old pet tortoise He told Brandy that the tortoise was 56 years old when she was born 11 years ago Brandy is amazed and wants to know how old the tortoise is now

Which equation can be used to solve the problem? 10 is 50 percent of what number?

Two factors of - 48 have a difference of 19. The factor with a greater absolute value is positive. What is the sum of the factors? a. - 19 b. - 13 c. 13 d. 16

1.) A population of 4,250 blue whale. A random sample of 10 whales shows that 5 of them are infected. How many whales are likely to be infected?

What is the multiplicative inverse of 10/3?

A binomial is multiplied by a third degree trinomial. what degree must be in order for the product to have a degree of 5?

Find the mean (average) the data set below? 2 18 28 5 4' 5'10'20