If 1 is added to a number and the sum is tripled , the result is 21 more than the number

Solve: 2x + 8x - 1 = 19

A number to the 11th power divided by the same number to the 8th power equals 27. what is the number?

Which is more, 5 liters or 5,000 milliliters?

Rename 4.72 as a percent

Is 5/16 needle length smaller than 1/4?

Solve the following system of equations. - 3x + 5y = 80 x + 5y = 40 A. x = - 10, y = 10 B. x = 2, y = 17.2 C. x = 8, y = 6.4 D. x = 10, y = - 10

Solve for 5 (x - 10) = 3015 x 8

The Bundle family is traveling a total of 1,905 miles from their home to Florida for a summer vacation. They traveled 454 miles on Saturday, and 234 miles on Sunday. How many more miles do they have to travel to arrive in Florida?

Ashura has $50 in her savings account and deposits an additional $15 each week. Write an equation to model her savings, s, and solve for how many weeks it will take her to earn $110.

Kira, Bill, and Michael served a total of 134 orders Monday at the school cafeteria. Michael served 3 times as many orders as Kira. Bill served 9 more orders that Kira. How many orders did they each serve?