Mentally your dividing the 12.50 by 10 and then thats 1/10 of it.
Answer:hi
Step-by-step explanation:
Percents is a number out of 100. So basically what you’re going to do here is add up the percents. 40+20+10. Add that up and you get 70. You then subtract 70 from 100. You get 30. So the percentage of red pens is 30%.
Answer:
(-8, 0), (0,0) and (7, 0)
Step-by-step explanation:
When f(x) = 0 the curve of f(x) intercept x-axis, that is, y = 0. This points are called roots or zeros of the polynomial.
From the picture, we can see that f(x) = 0 at points (-8, 0), (0,0) and (7, 0)