1) Mr. Charles bought dinner for his family. The dinner cost $46.95.
He left a 15% tip.
About how much tip did Mr. Charles leave?
A. $1.50
B. $4.00
C. $5.00
D. $7.00

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)

Do more republicans (group a) than democrats (group b) favor a bill to make it easier for someone to own a firearm? two hundred republicans and two hundred democrats were asked if they favored a bill that made it easier for someone to own a firearm. how would we write the alternative hypothesis?

Find the volume of the solid whose base is the region bounded by f(x), g(x) and the x-axis on the interval [0, 1], and whose cross-sections perpendicular to the y-axis are squares. your work must show the integral, but you may use your calculator to evaluate it. give 3 decimal places for your answe