How do you use the slope to prove lines are parallel or perpendicular?

3|-8x|+8=80 -5|3+4x|=-115 And also a few more that the same but with inequality signs

A new shopping mall is gaining in popularity every day since it open the number of shoppers is 20% more than the numbers of shoppers the day before the total numbers of shoppers over the first four days is 671

What is proportion setup for 380 raisins in a box and uses 5 per gingerbread man. needing to set up to find out how many dozens i can make?

A pound of chocolate costs $7. Charlie buys p pounds. Write an equation to represent the total cost c that Charlie pays.

Teorema de pitagoras

Jack is 4 times as old as Lacy. 5 years from now the sun of their age will 70. How old are they now?

Miguel and Jacqui built towers out of craft stickers. Miguel's tower had 4-inch square base. Jacqui's tower had a 6-inch square base.

I'm trying to solve a rational equation and i don't know what exactly to do with the 2x^2. Here's what i have so far: (x) / (x+2) + (x) = (5x+8) / (x+2) (x+2) (x) + (x+2) (x) = (5x+8) (2x^2) + 4x = (5x+8) - 4x = - 4x 2x^2 = x+8 0 =

Shawna bough 8 pizzas that cost, p, dollars each. She paid with a $100 bill and her change was less than $20. Write an expression that can be used to model the situation.

A family buys 6 tickets to a show. They also pay $3 parking fee. They spend $27 to see the show.