Can you tell me please?

Rounded to the 1st decimal

9.4

12.0

Step-by-step explanation:

For the first problem you need to find the hypotenuse, Pythagorean theorem dictates that a^2+b^=c^2, so 8^2+5^2=c^2, so you get =9.4 So c=9.4

For the second problem, you need b, so you have 12^2+b^2=17^2, so you need to do 289-144=145. Next you need to do to round to 12.

how is that middle school

step-by-step explanation:

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step-by-step explanation: