Answer: 21
Step-by-step explanation:
9x7=63
63/3=21
Just like you would if you had a normal number so times 1.5 times 3
Answer:

Step-by-step explanation:



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13 × 9w = 13 × 
117w = 5w - 6 + 13
117w = 5w + 7
117w - 5w = 5w - 5w + 7
112w = 7
112w ÷ 112 = 7 ÷ 112

Answer:
3.06
Step-by-step explanation:

This means that 5 to the power of -2 is
, meaning that:

Hope this helps!