Which expression is equivalent to 1/4 − 16?

a) 1/4(n − 64)
b) 4(n − 4)
c)4(n − 64)

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?

Carmen begins her next painting on a rectangular canvas that is 82.7 cm long and has a area of 8,137.68 cm2. will the painting fit in a frame with an opening that is 82.7 cm long and 95 cm wide? explain

If t8 = 4 and t12 = −2, find the first three terms of the arithmetic sequence.