A certain substance has a half life of 1 hour. If you start with 3000 grams of the substance, how much will you have in 1 hour?

What is the circumference of a circular amphitheater with a diameter of 300 meters rounded to the nearest tenth) ?

At the amusement park you want to go on a certain ride. There is a sign in front of the ride. The sign states that you must be at least 60 inches tall to ride. a.) Write an inequality that represents how tall you must be in FEET. Inequality: b.

Find the difference. Do not round. 12.39 - 1.504 =

How much pure acid should be mixed with 5 gallons of a 60% acid solution in order to get an 80% acid solution

What word do we use to describe lines that cross

4 cents per day = ? dollars per year

Whats the mixed number for 2.27

How many thirds are there in 5?

Tickets for a school play cost $7 for students and $10 for adults. The equation 7x+10y=80 represents the number of students x and adults y who can attend the play for $80. if no students attend, how many adults can see the play for $80

Evaluate the expression 3.6 - 3.6 divided by 4.5