Complete the square to transform the quadratic equation into the form (x-p)= q x2 + 14x + 55 = 10

A) (x + 7)2 = -45
C) (x + 7)2 = 4
B) (x – 14)2 = -45
D) (x – 14)2 = 4

  or  

step-by-step explanation:

if the four friends split the cost, p, of the pizza evenly, then each friend pays one-fourth of the cost of the pizza.

the expression is   or  

a. 12.5 kg

step-by-step explanation:

f = ma

so

m = f/a = (2500 n)/(200 m/s²) = 12.5 kg

1 n = 1 kg·m/s²