Aglass triangular prism for a telescope is 5.5 inches long. each side of the prism's triangular bases is 4 inches long and 3 inches high. how much glass covers the surface of the prism? the answer choices are: 75, 76, 77, and 78. this is due tomorrow morning,

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?

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

Find the solution of this system of equation -7x+y=-20 9x-3y=36