Use the FOIL method: First, Outside, Inside, Last
3x(2x) = 6x²
3x(-4) = -12x
3(2x) = 6x
3(-4) = -12
6x² -12x + 6x-12
Combine like terms
-12x + 6x = -6x
6x² - 6x - 12 is your answer
hope this helps
31.4 is the circumference
Multiply the diameter by Pi
Answer:
$8 per hour
Step-by-step explanation:
The unit rate is $ per hour
Divide the amount by 8
= 8.5 hours
$68 ÷ 8.5 = $8 per hour
Answer:
<em>45 and 135</em>
Step-by-step explanation:
The sum of any interior angles will be 180 so you divide 180 by 4. And you get <em>45</em> then you multiply that by 3 and you get <em>135</em>