Answer:
x = 6
Step-by-step explanation:
First find the gradient,

Since this line has no gradient, it means that it's a horizontal or vertical line. We cannot substitute in the values because the gradient is 0 so this line will only be x = 6
Answer:
(0.91)^{20}(0.09)
Step-by-step explanation:
Answer:

Step-by-step explanation:
We want to to rewrite

Use difference of two squares to get:

This implies that:


This finally simplifies to:

Therefore the required product is

Answer:
(0,5)
Step-by-step explanation:
We need (x-h)^2 + (y-k)^2 = r^2
h = 4, k = 0 and r = 2/3
Take it from here.