Dan's 2nd table was an unhappy couple who said their food was cold. Their bill came to $43.19 and they left a $3 tip. What percent tip was this?​

Write the expression 7x^3-28xy^2 as the product of 3 factors

Louis wants to carpet the rectangular floor of his basement.the basement has an area of 864 square feet.the width of the basement is 2/3 it's length. what is the length of louis's basement

Worth 30 points! in this diagram, both polygons are regular. what is the value, in degrees, of the sum of the measures of angles abc and abd?