Giving 20 points not alot but it's something :3 right aslo Hurry Which expressions are equivalent to 30(1/2x-2)+40(3/4y-2) ?
a.45xy-220
b.15x-30y-200
c.15x+30y-200
d.15x+30y-64

How do i work this problem out using the equation a=pe^rt

Astandard deck of cards contains 52 cards. one card is selected from the deck. (a) compute the probability of randomly selecting a seven or king. (b) compute the probability of randomly selecting a seven or king or jack. (c) compute the probability of randomly selecting a queen or spade.

How many triangles can be drawn with side lengths 4 centimeters, 4.5 centimeters, and 9 centimeters? explain