The answer is B. -3 ________
Answer:
d. A hypothesis is derived from the evidence at hand; the evidence produces the hypothesis.
Step-by-step explanation:
Null hypothesis is a statement that is to be tested against the alternative hypothesis and then decision is taken whether to accept or reject the null hypothesis. The evidence suggests that a certain hypothesis is tested for its reliability. The hypothesis is accepted or rejected on the basis of its underlying evidences.
Answer:
π
Step-by-step explanation:
You would find the square of the radius (radius x radius), then multiply this by pi, or substitute the radius length into the equation where it says 'r', then type this into your calculator.