Which equations model exponential decay?

Select each correct answer.

A. Y=0.55 (0.91) ^x

B. Y=4.2 (1.25) ^x

C. Y=0.25 (2) ^x

D. Y=2 (0.20) ^x

Marcus makes a punch that is 1/4 cranberry juice write two fractions that are equivalent

H=45t-4.9t^2 what's the max height?

During the month of January, Mr. Suliz invested $4,000 in a business. He purchased a laptop for $1,000 with cash and purchased office equipment for $2,000 on credit.

Write these numbers in order of size. Start with the smallest number. 1/2, 2/3, 2/5, 3/4

What's the place value of 2 in 209,767

Sasha has nickels and one dollar bills in her pocket. The number of nickels is nine more than three times the number of one dollar bills. Let 0 represent the number of one dollar bills. Write an expression for the number of nickels.

How do you find mass volume and density?

A book has a list price of $39.99, but the bookstore receives a 40% discount from the publisher. How much does the bookstore have to pay per copy of this book?

What is 60% of 33 ... ?

A candle is 6 inches tall and burns at a rate of 1/2 inch per hour. How tall will if be in 6 hours?