Peter paid $12.83 for a dvd. The price of the dvd was $11.98. How much sales tax did peter pay?

What is 3X plus Y equals four in slope intercept form

How to determine the direction of a vector?

Which rational number equals 0.5?

If quadrilateral abcd is congruent to quadrilateral efgh then what corresponding side is congruent to side gh

Jim Shorts and his friend, Brock Lee, are competing against each other in a 100 meter sprint. Jim said he ran the race in 42 seconds, and Brock said he ran the race in 4-2 seconds. Who is lying? How do you know? Explain.

The percentile rank of 88 is

Convert 135 pounds to kilograms.

Y=2x-1 y=-3x+14 Solve for y

Solve 16.24 divided by 1000

What is the median of 8 22 19 12 18 19 10 35 12 19 16 21?