How would I graph this? Would I graph it on top of the other graph given? I have figured out: when x is 1 y is -2 when x is 2 y is -4 when x is -1 y is -2 when x is -2 y is -4

Tim's phone service charges $23.06 plus an additional $0.22 for each text message sent per month. if tim's phone bill was $28.56, which equation could be used to find how many text messages, x, tim sent last month?

Which coefficient matrix represents a system of linear equations that has a unique solution ? options in photo*

20 points for the answer. this is for real , don't put random ! a rectangle has a length of 4 centimeters and a width of 7 centimeters. what is the effect on the perimeter when the dimensions are multiplied by 5? the perimeter is increased by a factor of 5. the perimeter is increased by a factor of 20. the perimeter is increased by a factor of 25. the perimeter is increased by a factor of 100.