use the intermediate value theorem to choose the intervals over which the function, f(x)=x^4-2x^2-1, is guaranteed to have a zero. select all that apply.

What is the least common multiple of 6 and 17?

An animal shelter has 21 puppies. if the puppies are 28% of the total dog and cat population , how many dogs and cats are in the animal shelter

Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?