Lester has to determine which of these square roots is rational.
a. √27
b. √55
c. √60
d. √81

lester said that choice c is correct because the number under a square root symbol needs to be even for the square root to be rational. what mistake did lester make?

State whether weight is a function of height for the six students and explain. a. yes, height is a function of weight because two students weigh 165 pounds but have different heights. b. no, height is not a function of weight because two students weigh 165 pounds but have different heights. c. yes, weight is a function of height because for each value of height there is one corresponding value of weight. d. no, weight is not a function of height because there is not enough data to determine a function.

Galen sold tickets of his church’s carnival for a total of $2,820. children’s tickets cost $3 each and adult tickets cost $5 each. the number of children’s tickets sold was 30 more than 3 times the number of adult tickets slod. how many children’s ticket and how many adult tickets did he sell?

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?