A scale drawing of a movie screen is 21 inches long and 9 inches tall. the actual screen is 30 feet tall
a. what is the scale of the drawing?
B. find the perimeter and are of the movie screen in the scale drawing
c. find the actual perimeter and area of the movie screen
d. If the material used to build the movie screen costs $15.75 per square yard, how much will it cost to build the actual movie screen?

black/brown

step-by-step explanation:

well, you see here, jamal was born to 2 parents, his mother who he lives with and his father who left at a young age and who happens to be younger than him. he stole cookies because he has to steal food due to the fact that he spends his government poverty checks on pot and women.

5

step-by-step explanation:

the answer is a.

135 and 80

step-by-step explanation:

given : the shape of his satellite can be modeled by   where x and y are modeled in inches.

now,the given equation   is a equation of parabola.

here, coefficient of x is positive, hence the parabola opens rightwards.

on comparing this equation with standard equation , we get

in standard equation, coordinates of focus=(0,m)

thus for given equation coordinates of focus=(0,1.5)

step-by-step explanation: