A quadratic function yields the following values: х
y
-4
1
-3
-5
-2
-7
-1
-5
0
1
Which of the following is the equation for the function?
O A. y = –6x2 + 1
O B. y = – 2x² - 721
OC. Y = 3.x2 + 9x - 11
o D. y= 2x² + 8x - 1

One card is dealt from a 52 card deck. find the probability that the dealt card is a 4 or a black 7

Sole with work in 10 years, the average number of hours of tv watched per week by teenagers dropped from 23.9 to 21.4. find the percent of change.

Due to bad planning, two of the local schools have their annual plays on the same weekend. while 457 people attend one, and 372 attend the other, only 104 people were able to attend both. how many people went to at least one play?