At the arctic weather station, a warning light turns on if the outside temperature is below -25 degrees fahrenheit. which inequality models this situation?

t > -25

t < -25

t ≤ -25

t ≥ -25

If 1/2+2/5s=s-3/4,what is the value of s? a. s=3/4 b. s=25/12 c. s=-25/12 d. s=-3/4

The physical fitness of an athlete is often measured by how much oxygen the athlete takes in (which is recorded in milliliters per kilogram, ml/kg). the mean maximum oxygen uptake for elite athletes has been found to be 60 with a standard deviation of 7.2. assume that the distribution is approximately normal.

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36