Tyree and four friends go to the movies. each person buys a movie ticket for $7, a snack for $5, and a drink for $2. write an expression for the total cost of the trip to the movies. then find the the total cost

Use the formulas a = x 2 – y 2, b = 2xy, c = x 2 + y 2 to answer this question. one leg of a right triangle has length 11 and all sides are whole numbers. find the lengths of the other two sides. the other leg = a0 and the hypotenuse = a1

Which equation represents a direct linear variationa. y=x2b. y=2/5xc. y=1/xd. y=x+3

The power generated by an electrical circuit (in watts) as a function of its current c (in amperes) is modeled by p(c)= -15c(c-8) what current will produce the maximum power?