5) Simone was solving an equation with the variable b. When she solved the equation
she found that the equation had infinitely many solutions, which equation could be
Simone's equation after the solved it?
a. b-2
b. -2=-2
C.-2--1
D. B=0

6) The graph shows that the amount of water in gallons
that has leaked out of a tank depends on the number
of minutes that have passed.
What is the unit rate of the leaking water?
a. 3 gallons per minute
b. 6 gallons per minute
c. 1 gallon per minute
d. 3/4 gallon per minute