Acamera attached to a telescope photo graphs a stars image once every 0.045 seconds how many complete images can the camera capture and 3seconds? ?

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?

Find the common ratio of the sequence. -4, 8, -16, 32, a: -12b: -2c: 12d: -1/-2

What is the quotient of 3x^4+22x^3+37x^2-7x+10