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

Jing Ya does not want to be late. If he needs to get to school by 8:00 am. each day, what is the latest time. he should get on the bus (assuming one is waiting for him at any given time) ?

Evaluate 7x - (2x) ^2 + x ^3 for x = - 2.

Which statement is true regarding the traits of scatterplots

Any number that is divisible by 4 is also divisible by 8. Find a counterexample to show that the conjecture is false. 12 40 26 24

What is the X-factor of 5x

I'm doing easy math but i don't remember learning this so heres the question. One angle of a triangle is 20 degrees. The second angle's measurement is four times the third. Whats is the measure of the third angle?

If I have 10 dollars and I win 6 out of 10 and lose 4 out of 10 and bet 1$ each trade, how much should there be left after 10 trades?

How do you reduce the fraction 600 out of 25

4.6.1 write your own word problem and share it with the group then

A customer deposits $500 in an account that pays 4% annual interest. What is the balance after 3 years if the interest is compounded annually?