Find the area of a triangle with 2 hieght and 2 length

Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?

Select the conic section that represents the equation. 3x2 + 3y2 -2x + 4 = 0

Charlie tosses five coins. what is the probability that all five coins will land tails up.