10x-7y= - 4
-20x+14y= 8
Solve using elimination

a 270° rotation about point p says on e d g e n u it y (had to space it out because it says it's a misspelling so i couldn't submit it

it is contrapositive

i could not see the question too well so check yourself again too . this is because i want you to get it correct.

answer: the answer is one

step-by-step explanation:

pemdas, in this situation there is no parenthesis or exponents so you go to multiplication, 1x1=1, then division 1/1= 1 then addition 1+1=2 then subtraction 2-1=1