there are three classes in the first year of a school. On class has 29 children in it. another class has 31 children in it and the third class has 28 children in it. how many children are there in the first year of the school?

y=mx+b is the final answer!   : )

answer:  

step-by-step explanation:

here x represents the height of the pole,

and, the height of the shadow of the pole is 12 feet.

also, the angle of elevation from the top of the pole is 40°,

therefore,

by the low of sine,

which is the required equation for finding the value of x,

trapezoid

step-by-step explanation:

first i plotted all my points on a grid graph

i made sure all of them were in the correct quadrant

then i saw it was a trapezoid or a quadrilateral