The model below represents 2 x + 1 = negative x + 4.

2 green long tiles and 1 green square tile = 1 long red tile and 4 square green tiles

What is the value of x when solving the equation 2 x + 1 = negative x + 4 using the algebra tiles?

x = negative 3
x = negative 1
x = 1
x = 3

Shiny white dental insurance costs $258 per year. approximately one-third of insured people need a filling, which averages $110 each. 80% of insured people get a preventive check-up each year, and the average cost of this visit is $95. if you consider shiny white’s income and expenses, what is the expected value of each insured customer?

Isuck at math ; ^; m a student solved this problem and said the answer is 3 feet. chase had a roll of ribbon that contained 7 7/8  feet of ribbon. he cut off one piece that was 3 5/8  feet long and another piece that was 1 1/4  feet from the roll. how much ribbon was left on the roll? is the student's answer reasonable? yes, the answer is reasonable. no, the answer is not reasonable. it should be about 2 feet. no, the answer is not reasonable. it should be about 13 feet. no, the answer is not reasonable. it should be about 4 feet.

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.