Sheila has 5 times as many markers as dave together they have 18 markers. how many markers does shelia have

51-50

step-by-step explanation:

it would open into a square depending on the type of envelope i’m not sure about the second part

the solution, from the graphing of the two lines, is (3,2), i.e., x = 3, y = 2.

y∈r, 8> y≥0

hope i !

p.s the first bit only matters if you know what that means.

p.p.s brainliest would really