Complete the square to rewrite y = x2 + 8x + 7 in vertex form, and then identify the minimum y-value of the function.
A. The minimum value is -2.
B. The minimum value is -9.
C. The minimum value is -4.
D. The minimum value is -23.
SUBMIT

Matilda and kathryn went on different road trips over spring break. the equation below represents the number of miles matilda drove in x hours. y = 60xthe table below shows the number of miles kathryn drove in x hours. time(in hours)distance(in miles)114228342456who drove at a greater speed? a. matilda drove at a greater speed. b. matilda and kathryn drove at the same speed. c. kathryn drove at a greater speed. d.there is not enough information to determine their speeds

Find the height of a square pyramid that has the volume of 32 ft.³ and a base lengthof 4 feet

Problem melissa is her dad build a walkway in their backyard. the walkway will be 54 feet long and 1.5 feet wide. the local hardware store sells tiles which are 1.5 by 1.5 feet and come in boxes of 12. how many boxes of tiles do they need?