Item 2 use the relationship between the angles in the figure to answer the question. which equation can be used to find the value of x?
x + 90 = 61
x + 90 + 61 = 180
x + 61+ 90 = 90
x + 61 = 180

What is the slope of a line that is perpendicular to y = 3x + 1

If 20% of a number is 35, what is 50% of that number?

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a.m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?