How much of a radioactive kind of technetium will be left after 28 minutes if the half-life is 14 minutes and you start with 72 grams?

Explain how you would graph the system of equations and why you would use that method. t = 5c + 35, t = 10c

1 in 4 families now owes money on a personal loan, a rise of a quarter from last year. What is the fraction of families that owes money a year ago?

Which is bigger 3 kilometers or 5000 meters

Consider a cube whose sides are 1.43 m long. how many kg of sand would it take for the total surface area of all the grains of sand to equal the surface area of the cube? answer in units of kg.

X + 4y - 12 = 0 x = 3y - 7 Which of the following is the resulting equation? -7y - 19 = 0 y - 5 = 0 7y + 19 = 0 7y - 19 = 0

Write the fraction 9/50 as a decimal if needed round to the nearest hundredth

At smith lake boat rentals it costs $25 per hour to rent a boat plus one time charge for cleaning. The bengal family rented a boat from 11 am - 6:30pm and paid $226.50. If the jones family rented a boat from 8am-1pm how much did they pay

2m-5=17 I need an step by step explanation

A triangular prism and a rectangular have the same lenghts, heights, and widths. Which prism has the greater volume?

If you buy 5 apples for $4.50, what is the unit price?