A 15% tip on a $20.05 lunch bill is about ... A. $0.15
B. $1.50
C. $3.00
D. $2.05

I will give brainliest to whomever gives the answer and an explanation!! Please help!

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (-4, 0) and (6,0). the y-intercept of thefirst parabola is (0, –12). the y-intercept of the second parabola is (0-24). what is the positive difference between the avalues for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth.

Can someone factor this fully? my friend and i have two different answers and i would like to know if either of them is right. you in advance. a^2 - b^2 + 25 + 10a

Is the point (0, 8) on the x-axis or y-axis? how do you know?