Please help in exercises 1. how would you do it, 2. displaying the data, 3. measuring the data, and 4. discussing the data.

Which statements about the system are true? check all that apply. y =1/3 x – 4 3y – x = –7 the system has one solution. the system consists of parallel lines. both lines have the same slope. both lines have the same y–intercept. the equations represent the same line. the lines intersect.

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?

Which of the following vectors are orthogonal to (2,1)? check all that apply