Why is the absolute value of a number always positive?

1. Jessica rode 9 miles farther than Roger rode. Let r represent the number of miles Roger rode. Write an expression for the number of miles Jessica rode.

What is the degree of the polynomial? 5x^4-3x^2+2x+1 A: 1 B: 2 C: 4 D:3

Do you know what 5,000 divide by 300?

Which is better 0.4 or 0.127

Order from last to greatest - 1/3,0.3,33%,8/25,33.6%

435 rounded to the nearest hundred

Daniel is six feet tall and casts a shadow of 3.5 feet long. If his daughter is four feet tall, how long will her shadow be? a) 1.9 b) 5.3 c) 2.3 (the 3 has a line - above it btw) d) 4.5

Which is the approximate solution to the system y = 0.5x + 3.5 and y = - x + shown on the graph? (-2.7, 2.1) (-2.1, 2.7) (2.1, 2.7) (2.7, 2.1)

Julie is sewing the costumes for the school play. She needs to make fifteen bows. Each bow uses 3/4 of a yard of ribbon. Julie has 9 yards of ribbon. Does she have enough ribbon for the costumes?

How do I describe the shape of a histogram?