600,000+80,000+10 I'm word and standard form

If a small conveyor belt moves 300 pounds in 3 minutes, and another belt moves 300 pounds in 9 minutes, how long will it take both belts to move 300 pounds

What is the mean absolute deviation of Dean's homework scores? 70, 95, 35, 90, 85

Researchers recorded that a certain bacteria population declined from 170,000 to 200 in 42 hours. At this rate of decay, how many bacteria was there at 24 hours? Round to the nearest whole number.

A grandmother says her grandson is two years older years older than her ganddaughter and that together, they are at least 12 years old. How old are her grandson and granddaughter? This is a inequality word problem

Rusty is trying to decide what to eat at La Grande Apple. In how many ways can Rusty order one entrée, one side, and one dessert

What will the length and width be for a perimeter of 15

Nothing at all nothing

tell whether the events are independent or dependent. Then find P (A and B) ... You roll a number cube two times. Event A:You roll an odd number on the first roll. Event B:You roll a 4 on the second roll.

Express the length (in terms of w) of a rectangle which is five more than the width, w.

A soccer team won three fourths of it's games. The team won 18 games. How many games did the team play?