A doctor gives you 15 mg of sodium Pentothal, a truth serum. It is ultra-short-acting, about 60% of the serum dissipates every minute. Calculate the amount of serum left in your bloodstream after 3 minutes.

Bailey writes the expression g2 + 14g + 40 to represent the area of a planned school garden in square feet. What factors can be used to find the dimensions of her garden?

G = 3x - 4v: solve for (x)

What's the nearest integer to7.5

725 is 15% of what number

2⋅53= (A) 30 (B) 90 (C) 250 (D) 1,000

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.