Answer:
area of the trapezoid=1/2(7+12)×5
=47.5cm
Answer:
3/11
Step-by-step explanation:pls mark me brainliest
Angle 3 is 78 degrees. same as angle 5.
Answer:
9x² + 33x + 28
Step-by-step explanation:

From the given points that are (3,1),(9,3),(27,9), we can say that x is three times of y. That is
x= 3y
And we need to solve for y. For that, we need to get rid of 3 from the right side by dividing both sides by 3 . And on doing so , we will get


or
