Which of the following accurately displays the addition property of equality? * 1. a-3 = b-3

2.if a + 5 = 12 then (a +5) -5 = 12 - 5

3.if x = y then y = x

Which of the following constants can be added to x2 - 3x to form a perfect square trinomial?

Pleasseee important quick note: enter your answer and show all the steps that you use to solve this problem in the space provided. use the circle graph shown below to answer the question. a pie chart labeled favorite sports to watch is divided into three portions. football represents 42 percent, baseball represents 33 percent, and soccer represents 25 percent. if 210 people said football was their favorite sport to watch, how many people were surveyed?

In right triangle xyz, the right angle is located at vertex y. the length of line segment xy is 12.4 cm. the length of line segment yz is 15.1 cm. which is the approximate measure of angle yzx? 34.8° 39.4° 50.6° 55.2°