I think the best answer would be answer D
Answer:

Step-by-step explanation:
Roots of the equation are -4 and -3.
Quadratic equation can be written as

'nine less than three times a number is negative twenty-one.'
Answer:
find the value of:Cos = 0.54
In the given graph :
y - intercept of the line (c) is :
let's find slope (m) :
now, let's equate it with general equation to find the equation of line,
m = -2
c = 2
therefore, the equation of line will be :