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what is the probability that the first spinner will land on an odd number and the second spinner will land on a vowel?

a. 1/12
b. 1/4
c. 1/3
d. 1/6

Aresearch company wants to test the claim that a new multivitamin to improve short term memory. state the objective of the experiment, suggest a population, determine the experimental and control groups, and describe a sample procedure.

Table which ratio is equivalent to 3: 7? 6: 7 3: 21 24: 56 15: 30

Can someone, me with this. i really need with this