9. A function f is defined by the rule -0.5x + 1 for the domain x< 1 and by the rule x for the domain x > 1. Write the piecewise-defined function f using function notation.

no, because the sides are not congruent

step-by-step explanation:

i have done this all on a piece of paper but idk how to put it on here cuz it needs to be drawn

  or  

step-by-step explanation:

if the four friends split the cost, p, of the pizza evenly, then each friend pays one-fourth of the cost of the pizza.

the expression is   or  

ca = ec

cpctc makes it so that corresponding parts of the triangle you proved to be equal are equal, the other options aren't part of the part of the triangles you proved to be equal.