11 2 1 Which ordered pair is a solution to the system of linear equations 2*-y-80 and 5 X+6)
2y-po?
or
ON
21
35
Please help

Mp model with mathematics explain how the number of text messages dario sent and the cost form an arithmetic sequence.then write an expression to find dario's text messaging bill if he sends n text messages over 250.

Which of these triangle pairs can be mapped to each other using two reflections?

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?