3x + 2y = 6
4x + y = 1
solve the system of equations.

Apatient is to take 60 mg of an antibiotic on day 1, take 45mg on days 2 and 3, take 30mg on days 4 and 5 and take 15 mg on days 6 and 7. how many total mg will the patient take?

The vertices of a triangle are a(7,5), b(4,2), c(9,2). what is m

If chord ab is congruent to chord cd, then what must be true about ef and eg?