Natalie has $20 to spend on 5 sandwiches. can she spend $4.39 on each sandwich? explain

Scrub a dub toothbrushes are $4.00 each. there is a 10% discount, but there is also a 6% sales tax after the discount is applied. what is the new price after tax? round to the nearest penny

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

What is the correlation coefficient between the variables? round to three decimal places. enter your answer in the box