Answer:

Step-by-step explanation:
<u>Step 1: Distribute
</u>



Answer:

<u>If needed solve for b
</u>



ABC is a right triangle, so by Pythagoras' theorem,

Then by the law of sines,


Answer: Bottom Left
Step-by-step explanation:
F(x)= 2x² -10
f(5)= 2(5)²-10
f(5)= 40
30=12m
you divide both sides by 12
so 30/12 is 2.5