Using a equals 15, b equals 12 + C equals 21, is triangle ABC a right angle triangle?

Which equation represents the model shown? a)1/3 divide 1/6 = 2 b)2/3 divide 1/6 = 2/18 c)1/3 divide 1/6 = 1/18 d)2/3 divide 1/6 =4

What is x and y intercepts for y=x+7

Which of the following is best modeled using a linear equation y=ax+b, where a is less than 0?