Choose the counterexample that disproves the conjecture.
if n is a two digit number, then the two digits must be different.
n=22
n=11
n=17
n=10

Initially 100 milligrams of a radioactive substance was present. after 6 hours the mass had decreased by 4%. if the rate of decay is proportional to the amount of the substance present at time t, find the amount remaining after 24 hours. (round your answer to one decimal place.)

What are the equivalent ratios for 24/2= /3= /5.5=108/ = /15

Marla bought a book for $12.95, a binder for $3.49, and a backpack for $44.99. the sales tax rate is 6%. find the amount of tax and the total she paid for these items