Answer:

c = 17
Step-by-step explanation:
This is the Pythagorean theorem
50=3x+b. you never specify the variable that replaces b
Answer:
D: 10 laps in 215 seconds
Step-by-step explanation:
86/4 = 21.5 seconds per lap
I went through and multiplied each lap number by the time per lap and the last one, D is the right answer!
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A: When you multiply two numbers, their exponents add.
So,

Since 64^1/2 multiplied by itself is 64, then it is the square root of 64.
B: The area is irrational. 7 * √7 is irrational.