Why is - 1 3/8 a rational number but not a integer?

There is a population of 100 bacteria in a colony. If the number of bacteria doubles every 42 hours, what will the population be 84 hours from now?

In art class tico is copying a detail from a painting

I need to graph - 3x+2y=4

The markup over dealer's cost of a new car ranges from 11% to 21%. If the sticker price is $16,000, over what range will the dealer's cost vary?

6 packages weighs of 2 lb 5 lb 7 lb 5 lb 9lb 8lb whats the average weight of the packages

How to multiply decimals using a hundreds grid

The local newspaper has letters to the editor from 20 people. If this number represents 2% of all of the newspapers readers, how many readers does the newspaper haves?

Reduce with the same digit: 34/51 equals?

Manny bought a brand new car in 2012 for $28,750. If the car depreciates by 12% each year, write an exponential function to model the situation, then find the value of the car in 2018.

What is 87/24 over 25 and 224/7 over 10 and 68/49 over 50