Which of these triangles, appear to be congruent to each other? Check all that
apply.

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?

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

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)