A triangle is shown on the coordinate grid. A dilation of ΔPQR will be performed with center (2, 2) and scale factor 3. The result of the dilation will be Δ P ′Q ′R ′ . What will be the coordinates of R′?
(PLEASE HELP I WILL REWARD YOU WITH 10 POINTS IF YOU CAN HELP ME GET THE CORRECT ANSWER.)

Matt and brian were solving a system of equations. they both noticed that the two lines had the same slope. brian said that because each line in the system had the same slope, the two lines had to be parallel, which meant the solution to the system was "no solution" matt disagreed, and said they should also look at the y-intercepts before determining how many solutions there were. who is correct?

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.

Select all expressions that are equivalent to 2(3x + 7y). question 1 options: 6x + 14y 6x + 7y 1(6x + 14y)