The half-life of rubidium 89 is 15 minutes if the initial mass of the isotope is 250 g how many grams will be left after hundred minutes

What did the scout say after fixing the little old lady's bicycle horn?

Solve the following proportion for x 13/7 = x/9

15 minus 14 what is the question

224% of 320 equal what

How do you write 710,000 in scientific notation with answers

Some researchers have noted that adolescents who spend a lot of time playing video or computer games are at greater risk for depression and for violence. This is an example of A.

Andrew bought a computer for $650 a printer for $135.89, and two printer cartridges for $28.79 each. How much did Andrew spend in all? Show your work and remember to include units.

Which equation, when solved, gives 8 for the value of x? O A + + = + 14 B. 1-9=31-12 C. 15-2="-4 OD 8 6 7 = 1 / + 14

Simplify. Remove all perfect squares from inside the square root. V450 = 1

Roger is renting a tuxedo for prom. Once he has chosen his jacket, he must choose from three types of pants, four colors of vests, and two different styles of shoes. How many different ways can he select his attire for the prom?