14.) Mr. Lovell was playing cards with his son. In the first round he earned 52 points. In the second round he lost 20 points. How would you write this as

an addition problem?

Select the number of ways in which a line and a circle can intersect

1. 2. ∠b and ∠y are right angles. 3.? 4.? which two statements are missing in steps 3 and 4? ∠x ≅ ∠c △abc ~ △zyx by the sas similarity theorem. ∠b ≅ ∠y △abc ~ △zyx by the sas similarity theorem. = 2 △abc ~ △zyx by the sss similarity theorem. = 2 △abc ~ △zyx by the sss similarity theorem.

1/2+1/6-3/4 simplify the given expression leaving the answer in improper fraction form.