What is the equation of the line that has a slope of 4 and a y-intercept of -7? y = -7 x + 4
y = -4 x + 7
y = 4 x - 7
y = 7 x - 4

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

Prove that 16^4-2^13-4^5 is divisible by 11.

In which quadrant does the point lie? write the coordinates of the point. a. quadrant ii; (–2, –4) b. quadrant iii; (2, 4) c. quadrant iii; (–2, –4) d. quadrant iv; (–4, –2)