Which pair of ratios is proportional?

A. 6/21 and 2/42

B. 25/100 and 50/150

C. 16/24 and 6/12

D. 7/14 and 20/40

Find the selling price of a $62.25 karaoke machine with a 60.5% markup

4. / (x) = 4x - 5, translation 3 units up

What is y = - 3/2x + 4 in standard form

Evaluate log (Base3) 9

Find the mean 7 8 8 9 9 9 10 10 10 10 11

If A=16 degrees 55' and c=13.7, find a

What's the algebraic expression of "4 times a number cubed decreased by 7"?

Is the following argument valid? State why or why not. Use a truth table. If I like chocolate or ice cream, then I like candy. I don't like ice cream. Therefore, I like candy or chocolate.

Hershel buys 5 bags of cookies, 3 bags of granola, and several bags of fruit snacks from a bake sale. In total, he buys 10 bags from the bake sale. How many bags of fruit snacks did Hershel buy?

Estimate the number 7.616 to show that the number 76.16 is not correct.