Determine whether each rate of change is constant. if it is, find the rate of change and explain what it represents.

turtle walking

time(min) distance(m)

1 6
2 12
3 15
4 21

Tim's phone service charges $23.06 plus an additional $0.22 for each text message sent per month. if tim's phone bill was $28.56, which equation could be used to find how many text messages, x, tim sent last month?

Graph the system of equations. {6x−4y=−244x−8y=−32 use the line tool to graph the lines.

Asoftball team played ten games, scoring 1, 2, 3, 4, 5, 6, 7, 8, 9, and 10 runs. they lost by one run in exactly five games. in each of their other games, they scored twice as many runs as their opponent. how many total runs did their opponents score?