Answer:
3/4
Step-by-step explanation:
You can calculate slope with 
2 points from the graph are (0,-1) and (4,2)
plugging the points in would give you
Please rate me as brainliest if this helped!
It is B 80. Because it is 40 x 2 = 80. Hope thishelped
The answer is none of these
<h2>Answer:</h2><h2>2 hours & 10 minutes
</h2><h2>Step-by-step explanation:</h2><h2>1/6 of an hour is 10 minutes. She vacuumed for 10 minutes. It took 4 times as long to wash the car so 10 * 4 = 40. She washed the car for 40 minutes. It took her twice as long to wax the car as it did for her to wash it so 40 * 2 = 80. She waxed the car for 80 minutes. 10 + 40 + 80 = 130 minutes or 2 hours and 10 minutes.
</h2>
8 groups is what i suppose
Hope this helps!!! ;-)
