Answer:
A = 2 (on the left). 10 (on the right)
Step-by-step explanation:
Use pythgaros therom
Do 7^2 - 3^2 = 40
Do square root of 40 which equals the answer
-16
66
Use the combination formula.
191.111111111
29.24 / 0.153 =191.111111111
12. 9÷0.75.
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