Can someone help me with this math problem, I will be offering a large amount of points and whoever answers correctly will be marked brainless once 2 people answer on the question! :)

Line cd passes through points c(1, 3) and d(4, –3). if the equation of the line is written in slope-intercept form, y = mx + b, what is the value of b? –5 –2 1 5

Which of the following statement about pascal's triangle are true?

Scrub a dub toothbrushes are $4.00 each. there is a 10% discount, but there is also a 6% sales tax after the discount is applied. what is the new price after tax? round to the nearest penny