Andy has $310 in his account. each week, w, he withdraws $30 for his expenses. what expression could be used if he wanted to figure out how much money he had left after 8 weeks?

Average acceleration: i have no idea how to do this.

Afarmer has a large field that is x feet in length. he wants to fence in a rectangular section in the middle of the field , leaving a length of 100 feet of open field behind each end of the fenced rectangle.he also wants the width of the fenced-in space to be 100 feet less than its length. find the expressions to represent the length and width of the fenced section of the field

Find the measure of the angle indicated in bold