Which expression is equivilent to 5x-30 A.) 5 (x-30)
B.) 5 (x-6)
C.) 5x (x-6)
D.) x (5-30)

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a.m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

On a cm grid, point p has coordinates (3,-1) and point q has coordinates (-5,6) calculate the shortest distance between p and q give your answer to 1 decimal place