Acob is on the roof the school launching a model rocket. The height of the rocket, h(t),in metres, at any time, t, in seconds, is modelled by the function: h(t)=-5t2+15t+20 What is the starting height of the rocket?

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

Which ordered pair is a solution of the equation? y + 5 = 2(2+1) choose 1 answer ® only (5,10 ® only (-1,-5) © both (5, 10) and (-1,-5) 0 neither

Y= a(x-3)squared-1 what is the value of a