ASAP PLEASE

What is an equation for the line with slope
2/3 and y-intercept 9?

Atemperature of 1.64◦f corresponds to answer in units of ◦c.

Secant be and cf intersect at point d inside a what is the measure of cde

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