Only the third one makes x=-1 true
You either find the gradient or distance and if there are equal, therefore the opp are equal
Answer:
9.3 × 10⁷ - 3.4 × 10⁶ = 89 600 000
Which is 8.96*10^7 in scientific notation
Hope this helps you
Answer:
angles 1 and 2 are supplementary
Step-by-step explanation:
<em>x = 1</em>
<em><u>Here is why:</u></em>

Add x to both sides.

Add 5 to both sides.

Divide.
x = 1