Leticia simplified an expression. Her work is shown below. 4.5 divided by one-fourth + 2 and one-half minus 0.75 times 8

Step 1 18 + 2 and one-half minus 0.75 times 8

Step 2 18 + 1.75 times 8

Step 3 18 + 14

Step 4 32

Where did Leticia make her first mistake?

A. 90 degrees b. 45 degrees c. 30 degrees d. 120 degrees

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

Which statement explains how you could use coordinate geometry to prove the opposite sides of a quadrilateral are congruent? a. use the slope formula to prove the slopes of the opposite sides are the same. b. use the slope formula to prove the slopes of the opposite sides are opposite reciprocals. c. use the distance formula to prove the lengths of the opposite sides are the same. d. use the distance formula to prove the midpoints of the opposite sides are the same.