Which shows the equation below written in the form ax2 + bx + c = 0? x + 9 = 4(x - 1)2
A. 4x2 - 9x+ 13 = 0
B. 4x2 - 9X-5 = 0
C. 4x2 - 7x-5 = 0
D. 4x2 - 7x + 13 = 0

You call the pizza store and find out that eachpizza has 12 slices. you expect 16 people tocome, and you estimate each person will eat 3slices. how many pizzas should you order

Aplane is taking off from bangladesh headed to new york city. at the same time, a plane from new york city is headed to bangladesh is also taking off. the plane bound to new york city is traveling at 600 mph, while the plane traveling to bangladesh is traveling at 400 mph. how far from new york city will the two planes meet if the distance between new york city and bangladesh is 8,000 miles?

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).