What is the value of x when x + 3 = -10?

A) -13
B) -7
C) 0
D) 7

The circumference of a circle is 5 pi cm. what is the area of the circle?

Which quadratic function best fits this data? x y 1 32 2 78 3 178 4 326 5 390 6 337 a. y=11.41x2+154.42x−143.9 b. y=−11.41x2+154.42x−143.9 c. y=11.41x2+154.42x+143.9 d. y=−11.41x2+154.42x+143.9

What is the y intercept of f(x)=(1/2)^x?