Given a circle U which has a center at coordinates (1,3) and a point on its circumference at (2, 2), what is the area of the circle?
A.)6.3 units squared
B.)8.8 units squared
C.)10.5 units squared
D.)12.4 units squared

Which of the following tables represents exponential functions?

Aportion of a hiking trail slopes downward at about an 84° angle. to the nearest tenth of a flot, what is the value of x, the distance the hiker traveled along the path, if he has traveled a horizontal distance of 120 feet? a. 143.3 b. 12.5 c. 120.7 d. 130.2

Complete the solution of the equation. find the value of y when x equals -5. -4x - 8y = -52