Given cos = 3/5 and 0 is an quadrant I what is tan0

Which is the graph of f(x) = (4)x? image for option 1 image for option 2 image for option 3 image for option 4

For the equations below which statement is true ? -2x=14 6x=-42

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?