1+x=3 solve for x

I'm basically giving away brainliest to whoever has the best answer

The length of a rectangular poster is 7 inches more than twice its width. Find the length of the poster if its perimeter is 110 inches.

Solve the equation 225x^2+4=0

A 96 ounce container of orange juice cost $4.80. At what price should a 128-ounce containers be sold in order for the unit rate for both containers to be the same? Explain your reasoning.

A miner has 3 kilograms of gold dust. She needs to share it even fly with four partners. How much gold should each of five people get?

The number of fish in a lake decreased by 25% between last year and this year. Last year there were 60 finish in the lake. what is the population this year?

Solve the equation. If necessary, round your answer to the nearest tenth. 4 = 121 A. 2.75, - 2.75 B. 5.5, - 5.5 C. 11, - 11 D. 30.25, - 30.25

After 56 cans of soup were sold, a clerk moved the remaining cans to a display case. The display case had shelves that could each hold 9 cans. How many shelves were needed to fit all the remaining cans?

Mia did this problem 1336 of 1/8 is 3/6 what did Mia get wrong?

1 By what factor is the volume of a right square pyramid multiplied if its height is multiplied by 8 but the dimensions of its base are unchanged? A. 1/16 B. 1/8 C. 4 D.

If the simple interest on 6000 for 9years is 3240 then what is the interest rate