What is the opposite of - 4 on the number line?

A rectangle has a total perimeter of 108cm. The length is 5 times the width. The dimensions would be 45cm x 9cm, right?

12m by 7m what is the area

Consider the lines defined by the following two equations in slope-intercept form: A: Are lines ℓ and k parallel? B: Which statement justifies the answer for question A?

What is the probability of selecting a brown marble from a jar of marbles? Seven of the marbles are brown, two of the marbles are white, and one of the marbles is green. 9/10 1/10 3/10 7/10

Which ordered pair is a solution to the system of equations? 2x-y=-1 2x-4y=8 (7, - 5) (-2, - 3) (8, 2) (1, 3)

What does the graph of an equation reveal about the solutions to the equation? How do you solve a system of equations approximately using graphs and tables?

If the equation of a parabola is y = 7 (x-4) ^2+v and its vertex is (4,-2), what is the value of v in the equation

16+16= 32+32= 64+64= 128+128= 256+256=

The produce place sells cranberries in bulk for $2.40 a pound. The store also sells and 8 ounce package for $1.50. Which is the better buy? Show all work!

A pump discharges 278 gallons of water in 3.5 minutes. How long would it take to empty a container with 750 gallons? Round up to the nearest minute