Which equation is a linear function? (a)y=2×-1 (b) y=x/2-5 (c) y=x power of 2+7 (d) 2/x+3

This is the number of parts out of 100, the numerator of a fraction where the denominator is 100. submit

Ihonestly have no clue if it's each or none.

Fatima plans to spend at least $15 and at most $20 dollars on sketch pads and pencils. if she buys 2 sketchpads, how many pemcils can she buy while staying in her price range? fatima can buy between and pencils. ? (type whole numbers. use ascending? order.)