1) a pre-engineering student builds 1
1/2 simple machines in 1/4
of a month. how many machines will
she build in the whole month?

2) based on the following table, which of these equation has a constant of proportionality equal to 2?
a) 2y = 2x
b) 2y = x
c)4y = 2x
d) 2y = 4x

3) jennifer jogged at a rate of 3/5 miles every 6 minutes. what was her jogging rate in miles per hour?
a) 3 miles b) 4 miles
c) 5 miles d) 6 miles
e) 7 miles