What is the quadratic regression equation for the data set? A) y=0.004x2+0.415x+0.546

B) y=−0.004x+0.415

C)y=−0.004x2+0.415x−0.546

D)y=−0.004(0.415)x

Part a : solve - vp + 40 < 65 for v . part b : solve 7w - 3r = 15 for r show your work!

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?

The amount of data left on the cell phone six gb for 81.5 gb of data is used how much data is available at the beginning of the cycle