How can I prove that: abs (x+y) less than or equal to abs (x) + abs (y) ?

Which numbers are divisible by 10? which numbers are divisible by 2? and which numbers are divisible by 5? 924 929 360?

Lori rented a booth at the craft fair for $200 to sell baskets she made. The cost of the materials for each basket was $8. If she sells the baskets for $20, how many does she have to sell to make a profit?

What is another way to write9*200

Compune o problema dupa ex 30+30:10+30*2

A bank has $750,000 to lend for 7 months. It can lend it to a local contractor at a simple interest rate of 12%, or it can lend it to a small business that will pay 12% compounded monthly.

A gardener buys a plant that is 12cm in height. Each week after that the plant grows 10cm. Note: The plant is 12cm high at the beginning of the week. what is the formula and value for t10 and t12 in an arithmetic sequence?

Andrea's family stopped at the gas station to get gas. At gas stations, the price of gas per gallon is given to the nearest thousandth.

Emeril mixed 3/10 cup balsamic vinegar with 2/10 cup oil to make a salad dressing. Then he use 1/10cup of mixture for a large salad how much oil and vinegar mixture was left over?

A car with a diesel engine travels 663 miles using 13 gallons of fuel. Suppose that the relationship between the distance traveled and the amount of fuel used by this car is proportional. Write an equation to represent this relationship

Amelia knits 1/10 of a scarf in 48 minutes. What fraction of a scarf can Amelia knit in 1 hour?