Which ordered pair is a solution of the equation?
-4x+7=2y-3

a- only (2,1)
b- only (5,-5)
c- both (2,1) and (5,-5)
d- neither

The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally distributed with a mean of 1252 chips and standard deviation 129 chips. (a) what is the probability that a randomly selected bag contains between 1100 and 1500 chocolate chips, inclusive? (b) what is the probability that a randomly selected bag contains fewer than 1125 chocolate chips? (c) what proportion of bags contains more than 1225 chocolate chips? (d) what is the percentile rank of a bag that contains 1425 chocolate chips?

Item 1 solve for s. s+24=90 −114 −66 66 114

Iknow its nothing to do with education, but what type of thing should i wrote here? ? : ) its for mcdonald's btw.