Answer:
42
90
Step-by-step explanation:
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Answer:

Step-by-step explanation:
the GCF of the numbers is 16, for the variables choose the lower power.
Easy there on the caps, partner.
The nine, using the distributive property, distributes itself across the brackets, and so 9 times t is 9t and 9 times -1 is -9.
Therefore, 9(t-1) = 9t -9