Answer:
9/10
Step-by-step explanation:
Use the Pythagorean theorem
a^2 + b^2 = c^2
a^2 + 15^2 = 25^2
a^2 + 225 = 625
a^2 = 400
a = 20
Answer: 20 cm
Hope this helps!!
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Answer: -1
Step-by-step explanation:
√18 ÷ √12 = 1.22474487139159
Mean =12
Standard devation= 3.2863
variance???
