The third graders at Grace Hardeman Elementary want to play kickball. There are 20 students, and each team will have 5 students. How many teams of third graders will play kickball?
A.
15
B.
25
C.
5
D.
4

Consider the system: y = 3x + 5 y = ax + b what values for a and b make the system inconsistent? what values for a and b make the system consistent and dependent? explain

Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.1. (round your answers to four decimal places.) (a) if the distribution is normal, what is the probability that the sample mean hardness for a random sample of 8 pins is at least 51?

Write the fraction or mixed number and the decimal shown by the model