Answer:
b
Step-by-step explanation:
edmentum
% increase = 100 - 85
--------- * 100
85
= 17.65
= 18 % to nearest per cent
I would say go with with B
Its either A or B but my bets are on A
Answer:
second option
Step-by-step explanation:
Given
x² - 6x - 33 = 0 ( add 33 to both sides )
x² - 6x = 33
To complete the square
add ( half the coefficient of the x- term )² to both sides
x² + 2(- 3)x + 9 = 33 + 9
(x - 3)² = 42 → second option
