Which option is an example of an experiment? a. finding the number of red jellybeans placed in an average jar of jellybeans by counting b. counting the number of times a dice rolls a five out of 30 times c. dividing a class into thirds, giving each third a different amount of time to read and testing comprehension d. having customers fill out a questionnaire about their favorite brand of toothpaste

The answer is (B). Counting the number of times a dice rolls a five out of 30 times.

Step-by-step explanation: We are given four options out of which we are to select the correct one which is an experiment.

We can see that the options (A), (C) and (D) are not experiments, because their results are fixed from before. The results are not random in these three options.

On the other hand, the option (B) represents an experiment, because the outcome are random, not fixed.

Thus, (B) is the correct option.

c

Step-by-step explanation:

i took the test on  a p e x

square pyramid

step-by-step explanation:

square prism looks like nothing like that

triangular prism has a rectangular base instead of a square base

tetrahedron has a triangular base

a) 7x=7

step-by-step explanation: