Pyramid A and Pyramid B are similar. The volume of Pyramid A is 448 in^3 and the volume of Pyramid B is 189 in^3. If the height of Pyramid B is 39 inches, find the height of Pyramid A.

Trent wants to buy 2 packs of trading cards for 3 dollars each. the trading card packs that trent normally buys tend to come in packs of 6, 10, 12, or 15 cards. after selecting 2 packs, trent found that the first pack of cards cost 25 cents per card, and the second pack cost 30 cents per card. trent uses this information to write the equations below in order to compare c, the number of cards in each pack.

Which shows the correct solution of the equation 1/2a+2/3b=50, when b=30?

Answer pls man im trying to get out of summer school