Which point lies on the line x + 3y = 7? A. (3,1)
B. (1,-2)
C. (4,1)
D. (1,4)
E. (7,1)

Aheated piece of metal cools according to the function c(x) = (.5)x ? 7, where x is measured in hours. a device is added that aids in cooling according to the function h(x) = ? x ? 2. what will be the temperature of the metal after two hours?

What is the length of the unknown leg in the right triangle ?

School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?