Answer:

Step-by-step explanation:
Given

Required
Express in standard form
To do this, we simply reorder the terms of the polynomial in descending order of power.
So, we have:

Answer:
68 degrees
Step-by-step explanation:
triangle = 180 degrees
<BFD = 180 - 90 - 22 = 68 degrees
Answer:
x= 8
Step-by-step explanation:
17x + 3 = 139
17x = 136
x = 8
Answer:
The answer is 11
Step-by-step explanation:
55÷5= 11
It is just the multiplication of vectors. We'll multiply corresponding pairs together. The general formula for the pairs of (

;

) and (

;

) is

*

+

*

= (-6)*(-3)+4*6=18+24=42