A quadratic equation of the form y = ax^2 + bx +c has two different real roots. This is possible if the corresponding parabola has: a) a > 0 and a vertex of (3, 0)
b) a > 0 and a vertex of (–3, 2)
c) a > 0 and a vertex of (3, –2)
d) a < 0 and a vertex of (–3, –2)

Student price tickets to a movie are $1 and non student tickets are $2 . 350 tickets are sold and the total amount made is $450. there were 250 student tickets sold . true or false .

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?

One of every 20 customers reports poor customer service on your company’s customer satisfaction survey. you have just created a new process that should cut the number of poor customer service complaints in half. what percentage of customers would you expect to report poor service after this process is implemented? 1.) 5% 2.) 10% 3.) 2% 4.) 2.5%