Select all of the following that are quadratic functions.

x = 3y2 - 6y + 5

y + 3 = - 2 x 2 + 5

y = 2 x 2 - 8 x + 6

y = - 7 x - 4

y - 3 x = 4 x 3 - x2 + 9

y = 5 x (x + 9) - 8

y - 2 x 2 = 3 x - 2 x 2 + 4

Sean counts by from 15 to 35? Which number does Sean count

A coin is flipped and a six-diced die is rolled. What is the probability that the coin lands heads and the die shows four or more? (Hint: define A to be the event 'coin lands heads' and B to be the event 'die shows four or more'.

I am a multiple of 70. I am between 500 and 1000. My ten digit is odd. Who could i be

The length of a rectangle is six times it's width. If the area is 216 inches squared, find its perimeter

Find the most general antiderivative of the function. (Check your answer by differentiation. Use C for the constant of the antiderivative. Remember to use absolute values where appropriate.) f (x) = 2 5 - 3 x, x > 0

If the base of a square pyramid is 9 centimeters, and it has a volume of 324 cubic centimeters, what is the height of the pyramid?

Write the product using exponents. 3⋅3⋅3⋅y⋅y⋅y

If p + 9 = 25 and p = q, then q + 9 = 25.

If a bag contains 400 coins, and 33 1 over 2 are nickels, how many nickels are there what percent of the coins are not nickels

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