An object's height varies directly with the length of its shadow. A person who
is 6 feet tall casts a 15-foot shadow. How long is the shadow of a 20-foot
tree?
A. 50 feet
B. 10 feet
C. 3 feet, 6 inches
D. 8 feet

Rectangle leg this 11feet and perimeter of 38feet what is the width of the rectangle in feet

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?

50 plz, given the system of equations, match the following items. x + 3 y = 5 x - 3 y = -1 a) x-determinant b) y-determinant c) system determinant match the following to the pictures below.