If a cup of coffee has temperature 88°C in a room where the ambient air temperature is 21°C, then, according to Newton's Law of Cooling, the temperature of the coffee after t minutes is T ( t ) = 21 + 67 e − t / 55 . What is the average temperature of the coffee during the first 18 minutes?

Will mark brainliest if you answer ! the taco shop sold 198 lunches friday. this number is 3 more than 3 times the number they sold monday. let n represent the number of lunches sold monday. which equation shows an equality between two different ways of expressing the number of lunches sold on friday? a. n – 3 = 198 b. 3n – 3 = 198 c. 3n + 3 = 198 d. n + 3 = 198

What is the relationship between all triangles that can be drawn given the same three angles

What is perpendicular to y=-1/2x+11