What is the range of the relation?
(-3,-2,0,2)
(-3,3)
(-4,-2,1,2)
(-4,-3,-2,1,0,2)

Select all of the following expressions that are equal to 2.5.

In the equation sqrt(n+5)-sqrt(11-10)=1. what is the value of n

The high temp today was 62°. when nighttime comes, the temp will drop 40°. by 4am the temp will drop an additional 40°. what is the temp at 4am?