marianne

please help me solve this.

20 - 4/5x greater than or equal to 16. I did this and got the answer x greater than or equal to -5 but the correct answer is said to be x is less than or equal to 5. i am not sure what i did wrong. thanks

If, at a particular temperature, the average speed of CH4 molecules is 1000 mine/hr, what would be the average speed of CO2 molecules at the same temperature?

what is the place value of 4 in 435,750?

Sorry I meant mi/hr

The answer is 544,000 546,000 542,000

Mr. Jackson sold 33 computer monitors.

20 children25%