Answer:
0/13 This is a zero slope
Step-by-step explanation:
y2-y1/x2-x1
if the number in the numerator is a zero, it is a zero slope. if the zero is in the denominator it is undefined
trick for remembering zero slope vs undefined: if the zero is UNDEr it is UNDEfined- this makes more sense if you say it out loud ;)
Answer:
$78, $79.20
Step-by-step explanation:
PART A: $60 times 1.3 = $78
you add 30% to 100% to get 130% since it is a mark up, and then you convert to a decimal by going to the left twice then multiplying by original price.
PART B
Since it is a discount you subtract 15 percent from 100, but then add back 5 percent since there is tax applied to get 90%, convert to decimal and multiply by original price to get $88 x .9 = $79.20
Answer:
A
Step-by-step explanation:
It’s false because if you take a negative number away from another negative number it would give you another negative number not a positive number!
