Raffia had a board that that was 15 1/2 feet long he put three pieces off the board that are each 3 7/8 feet long how much of the board is left

What number should be added to the expression x2 + 4x to change it into a perfect square trinomial?

Given, which statements about the figure are true? Check all that apply.

What is the tens fact for 14-6

Alan, david and shari are running for president of their high school. There were a total of 1,000 votes cast for president. David received 1/4 of the votes, while shari earned 2/5 of the votes. Alan received the remaining votes.

What percent of 120 is 20?

65 out of 20 to a percentage

20/100 as a percent

Andrew can paint the neighbor's house 5 times as fast as Bailey. The year Andrew and Bailey worked together, it took them 6 days. How long would it take each to paint the house?

What is the mean 10, 15, 12, 18, 19, 16, 12

Write four hundred seven trillion, six million, one hundred five thousand, twenty-eight in standard form