Expand and simplify 2 (a+3) + 3 (2a-1)

Is it possible to have an expression that uses brackets without using any parentheses?

A company specializing in foreign language lessons sells one set of lessons for $199, but all five sets of lessons purchased upfront sell for $499, a discount of nearly 50%.

What is 47,125 rounded to the nearest ten

It takes Peter 25 minutes to clean his room. If he finishes cleaning his room at 8:00 P. M., what time did he start cleaning?

Kate has a rectangular garden that is 8 feet long by 3 feet wide. She wishes to extend the length and width by the same amount in order to increase the the area of garden to 104 feet squared. How many feet will she need to add to each side?

1*1+2 * (1/10) + 4 * (1/100) + 3 * (1/1000) in word form

Which best describes the strength of the model?

Mindy's dog, Rex, weighed 80 pounds a year ago. Now he weighs 92 pounds. What is the percent increase in his weight?

The temperature is at most - 12 degree celsius

A swimming pools large drain will empty a pool in 3 hours while its smaller drain takes 6 hours. If both drains are open how long will it take to empty the pool? A: 4 1/2 hours B: 2 hours C: 9 hours D: 4 hours