If a circle has a diameter of 30 meters, which expression gives its area in square meters?

a.15^2 x ï€
b. 30 x ï€
c. 30^2 x ï€
d. 15 x ï€

Find the y-intercept and x-intercept for the equation 5x-3y=60 what is the y-intercept

Find the magnitude, correct to two decimal places, made by each of the following with positive direction of the x axis a) y= x the answer is 45° but i don’t know how

Acable company claims that the average household pays $78 a month for a basic cable plan, but it could differ by as much as $20. write an absolute value inequality to determine the range of basic cable plan costs with this cable company. a. |x − 78| ≥ 20 b. |x − 20| ≥ 78 c. |x − 20| ≤ 78 d. |x − 78| ≤ 20