Michaela’s room is 12 feet wide by 8 feet long. Her brother’s room is half as wide but twice as long. Whose room is bigger?

What's the difference between: x≥0 and nonnegative integer. ?

Solve with work adding cheese to a mcdonalds quarter pounder increases the fat content from 21g to 30g. what is the percent of change ?

Pepe and leo deposits money into their savings account at the end of the month the table shows the account balances. if there pattern of savings continue and neither earns interest nor withdraw any of the money , how will the balance compare after a very long time ?