Teresa is moving and needs to determine if her friend Sam's truck is big enough to fit all of her moving boxes. What would be the best tool that she could use to determine if she has enough room for her boxes?

Each equation given below describes a parabola. which statement best compares their graphs? x = 2y^2 x = 8y^2

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?

If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)