The half-life of Sodium-24 is 15 hours. If you start with 600 grams of sodium-24 how much would be left after 4 days? Which of the following equations could you use to solve for the amount of grams left after 4 days?

Find the percent of change from 24 to 18.

Which statements are true of all squares?

Find the value of x ... assume that segments that appear to be tangent are tangent.

Describe translation from y=-x2-2 to y=x2

What is 300 times 500

One-third of the dairy cattle on a farm are in the barn. Three-fifths of the beef cattle are in the barn. There are 30 dairy cattle and 15 beef cattle in the barn. How many more dairy cattle are on the farm than beef cattle?

Which triangle always has three equal sides

21. Jackson played a video game for 1/6 hour. Hailey played a video game for 1/3 hour. Who played the video game for a greater amount of time? Explain.

Can someone explain what I think is "theta" and it looks like a 0 with a horizontal line through it?

Perpendicular to y=-1/3+12, x-intercept is 6