A science fair project requires 2 cups of water and 1 cup of vinegar. Which of the following combinations shows the same ratio of vinegar to water?

He concluded that a heavier object dropped from the same height as a lighter object will land

Given: pqrs is a parallelogram prove: pr and qs bisect each other at t

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.