Only D is correct, it intersects at 90 degrees so it cant be obtuse or acute and never intersecting would be parallel lines <span />
Three hundred and ten million, seven hundred and sixty three thousand, one hundred and thirty six.
Yes they are the same because when the negative is distributed into (an+c), the plus sign becomes a negative.

1. Find the percent markup.
Markup ($) = percent markup (%) x original cost ($)
A computer store buys a laptop for $635 directly from the manufacturer (Dell). The markup is $570. What is the percent markup on the computer?
The percent markup is: <u> </u><u>90</u><u> </u>%

FORMULA: Percent of Markup = Markup/Cost x 100
- = $570/$635 x 100
- = 0.90 x 100
- = 90%
Answer:
I don't know
Step-by-step explanation: