In Fractions, what is 1/8th + 1/16th

The jewelry store is having a sale. necklaces that were regularly priced at $23.50 are on sale for $18.80. what is the percentage of decrease in the price of necklaces?

True or false: the graph of y=f(bx) is a horizontal compression of the graph y=f(x) if b< 1

Aculture started with 4,000 bacteria. after 5 hours, it grew to 5,200 bacteria. predict how many bacteria will be present after 19 hours. round your answer to the nearest whole number.