Solve -18.60 = 2.5x - 2.8

If 1 is divided by the sum of y& 4.the result is equal to 3 divided by 4, find the value of m

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?

The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels