Which equation represents a circle with the same radius as
the circle shown but with a center at (-1, 1)?
(x - 1)2 + (y + 1)2 = 16
(x - 1)2 + (y + 1)2 = 4
(x + 1)2 + (y -1)2 = 4
(x + 1)2 + (x - 1)2 = 16

Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?

Find the solution(s) to the system of equations. select all that apply y=x^2-1 y=2x-2

The edge of a cube was found to be 30 cm with a possible error in measurement of 0.4 cm. use differentials to estimate the maximum possible error, relative error, and percentage error in computing the volume of the cube and the surface area of the cube. (round your answers to four decimal places.) (a) the volume of the cube maximum possible error cm3 relative error percentage error % (b) the surface area of the cube maximum possible error cm2 relative error percentage error %