Convert 2845 inches per second to miles per hour. round to one decimal place.

8000 + 8800 + 8000 + 8 million + 80 trillion + another a katrillion equals

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup

Prove the divisibility of the following numbers: 25^9 + 5^7 is divisible by 30.also, read as (25 to the power of 9) + (5 to the power of 7) is divisible by 30. blank x 30what is the blank? ( it should be expressed in exponent form)