Which of the following is true about the parabola f(x) = x2 + 6x - 9: The y intercept is (0, -18)
The axis of symmetry is x 3
The parabola will open up.
The parabola will open down.

Cam bought some used books for $4.95. he paid $0.50 each for some books and $0.35 each for the others. he bought fewer than 8 books at each price. how many books did cam buy?

For the rule of 78, for a 12-month period, the last term in the sequence is 12 and the series sums to 78. for an 10 month period, the last term is and the series sum is . for a 15 month period, the last term is and the series sum is . for a 20 month period, the last term is and the series sum is

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?