The temperature went from -12°f to 18°f. which of the following expressions could be used to find how much the temperature changed?
a. -12 - 18
b. 18 - (-12)
c. -12 + 18
d. 18 + (-12)

Select all of the quadrants that the parabola whose equation is y=√x-4 (principal square root) occupies. i ii iii iv

Determine if the equation defines y as a function of x: 2xy = 1. yes o no

The volume of the sun is approximately 1 × 10^18 cu km, while the volume of jupiter is approximately 1 × 10^15 cu km. which of the following is true? a. the volume of jupiter is approximately one thousand times the volume of the sun. b. the volume of jupiter is approximately one hundred times the volume of the sun. c. the volume of the sun is approximately one thousand times the volume of jupiter. d. the volume of the sun is approximately one hundred times the volume of jupiter.