3. A projectile is shot vertically into the air with a speed of 130 m/s. Its height h, in h=-5(t-12) + 360
metres, after t seconds is modelled by the relation
a) What is the maximum height of the projectile?

b) To the nearest second, when does the projectile reach its maximum height?

c) How many seconds is the projectile in the air.

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

Lisa has three classes that each last 50 minutes. what is the total number of minutes of the three classes

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)