If a random sample of fifteen light bulbs is selected what is the probability that at least three are defective?

If you double the input of a function and it results in half the output, and if you triple the input and it results in a third of the output, what can be guessed about the function? check all that apply.

What is the equation of the line that is parallel to the line with the equation y= -3/4x +1 and passes through the point (12,-12)

In the sixth grade 13 out of 20 students have a dog if there are 152 sixth grade students how many of them have a dog