What is the image of (1, -1) after a dilation by a scale factor of 4 centered at the
origin?

What is the distance between a and b? round your answer to the nearest tenth. a coordinate plane is shown. point a is located at negative 1, 5, and point b is located at 4, 1. a line segment connects the two points.

Is of - 4x + 2? a. 3 b. 4 c. 6 d. 5

Which has the greater energy, light of wavelength 519 nm or light with a frequency of 5.42 x 10^8 sec^-1?