Your answer is 1/4, -7/3,-4
First simplify the number part, 14/2 = 7/1
then the x part,

y doesn't need to be simplified
then simplify the z part, z^-6 = z^6
put it all together...
Shawna will climb 45 steps
The first step is to write out the parameters given in the question
Shawna climbed 5 flights of stairs
There were 9 steps in each flight
The number of steps can be calculated by multiplying the number of flight of stairs by the number of steps
= 9 × 5
= 45
Hence there are 45 steps for Shawna to climb
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