Which equation represents a side that is perpendicular to side d?
a: y=2x+5
b: y=-2x+5
c: y=1/2x-5/2
d: y=-1/2x-7/2

The jones farm has 24 cows that each produce 52 quarts of milk a day. how many quarts are produced each day altogether

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

Afruit stand has to decide what to charge for their produce. they need $10 for 4 apples and 4 oranges. they also need $15 for 6 apples and 6 oranges. we put this information into a system of linear equations. can we find a unique price for an apple and an orange?