If bc = 6 and ad = 5, find dc. 4 4.5 7.2

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?

Marcus and cody both leave the park at the same time, but in opposite directions. if cody travels 6 mph faster than marcus and after 4 hours they are 64 miles apart, how fast is each traveling? solve using rare times time = distance.

1. evaluate 8x(2)y9(-2) for x=-1 and y=2 2. simplify the equation. -() 3. simplify the expression. [tex]\frac{5}{x(-2) y9(5)}[/tex]