Question 8 (5 points) Use the information given about parallelogram RSTU to find the unknown measures

What is the product? (x2+3y+7) [yy+1)

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

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?