Sodium-24 has a half-life of 15 hours.

How many grams of a 900 g sample will remain after 90 hours?

A) 7.03125 g

B) 7.5 g

C) 14.0625 g

D) 28.125 g

Choose true if the event is independent or false if the event is not independent. Roll a number cube and get 1 on the first roll and 6 on the second. 1) True 2) False

Explain why the prMarco Invests $760 into a savings account. The account pays 4% simple interest. If Marco makes no deposits or withdrawals to his account in 5 years. How much will it be in that account?

Sally is making sun tea. Every hour, the concentration of the tea doubles. If it takes 6 hours for the tea to be ready, how long would it take for the tea to reach half of the final concentration (in hours) ?

Eve bought a new hybrid car. The first time she had filled the tank, she had driven 600 miles and put 12 gallons in. How many miles per gallon does the hybrid get?

It costs $6 to take 1 dog to the dog beach it costs $1 more for each additional dog which equation shows this situation when x>1

What is the best estimate of the quotient 14.98 divided by 2.984

Daniel expanded the expression as shown. Negative 2 (Negative 8 x minus 4 y + three-fourths) = negative 10 x minus 8 y minus 1 and one-fourth What errors did he make? Select three options.

Solve the system of equations by the substitution method y = 2x+7 y=9x+8

The Gonzales family has three children. On summer break, they went to an amusement park. They bought 3 child tickets for $18.50 and 2 adult tickets. If they spent a total of $104.50, how much was the price of each adult ticket?

What is (-3) - (8) + 5 - (-14) =