4. During a book sale, Alex sold 1 book for 5.00, 2 books for $4.50 each, and 4 books for $2.50 each.
Dana sold 3 books for $4.50 each and 2 books for
$5.00 each. What was the most frequently occurring
sale price for these 12 books?
(A) $2.50
(B) $4.00
(C) $4.25
(D) $4.50
(E) $5.00

Which of the following are accepted without proof in a logical system? check all that apply.

Amodel rocket is launched from a roof into a large field. the path of the rocket can be modeled by the equation y = -0.04x^2 + 8.6x + 4.8, where x is the horizontal distance, in meters, from the starting point on the roof and y is the height, in meters, of the rocket above the ground. how far horizontally from its starting point will the rocket land? a. 0.56 m b. 215.56 m c. 431.11 m d. 215.74 m

The average length of a king cobra is 3.7 m. the record length is 1.88 m longer than the average. how long is the record holder?