Answer:
x = 8 or x = -1 is the answer
Step-by-step explanation:
3x² - 21x -24
divide with 3
x² - 7x - 8
Factorizing,
x² + x - 8x - 8
x(x + 1) -8 (x + 1)
(x - 8) (x + 1)
x = 8,-1
30.5
10 to the 2nd power is 100
3050/100 = 30.5
Answer:
Area = 3*3 + 3*4 = 9 + 12 = 21
C) Length of 7 and Width of 4. This is because 14 x 2 is 28, and 7 x 4 is 28 as well.
I hope this Helps!
Answer:

Step-by-step explanation:
Consider an equation: 
Here, m is the slope of the line and c is the y-intercept.
Given equation is 
Here, slope is 
As product of slopes of two perpendicular lines is equal to
, slope of the required line is
.
Let 
Equation of the required line is 
