A triangle has one side that measures 4 ft, one side that measures 6 ft, and one side that measures 9 ft. What kind of triangle is it?

A. equilateral triangle

B. isosceles triangle

C. scalene triangle

D. right triangle

I'm confused on this could anyone me and show me what i need to do to solve it.

Worth 100 points need the answers asap first row -x^2 2x^2 (x/2)^2 x^2 x is less than 2 x is greater than 2 x is less than or equal to 2 x is greater than or equal to 2 second row -5 -5/2 4 5 •2 is less than x& x is less than 4 •2 is less than or equal to x & x is less than or equal to 4 •2 is less than or equal to x& x is less than 4 •2 is less than x& x is less than or equal to 4

Mrs. blake's bill at a restaurant is $42.75. she wants to leave the waiter an 18% tip. how much will she pay in all, including the tip?