A certain radioactive isotope has a half life of 6 hours. The starting amount is 100 grams. Write an exponential function to model this scenario. How much of the isotope remains after 12 hours?

The weekly fee for staying at the Pleasant Lake Campground is $20 per vehicle and $10 per person. Last year, weekly fees were paid for v vehicles and p persons.

Bodhi has a collection of 175 dimes and nickels the collection is worth $13.30 what equation can be used to find n the number of nickels in the collection

Number between 1 and 20 that has 5 factors

A matinee movie ticket costs $6.50 per child. Which equation can be used to calculate the matinee ticket price, M, for n children? M = 6.50n n = 6.50M M equals 6.50 over n n equals 6.50 over M

Add or subtract mentally 16.9 + 12.1

During a trip, Francine traveled x percent of the total distance at an average speed of 40 miles per hour and the rest of the distance at an average speed of 60 miles per hour. In terms of x, what was Francine's average speed for the entire trip? A.

You are planning a huge graduation party for your son. You decide to offer both a beef and a chicken meal at the party. The chicken dish costs $5, and the beef dish costs $7.

Factor each expression and explain how. 52. w^2 - 15w - 54 54. -2h^2 + 4h + 70

What is the solution to 2.1m = 6.3? A. m = 8.4 B. m = 3 C. m = 3.2 D. m = 4.2

Select the two figures that are similar to the 9 by 6 figure that is shown.