Answer:
21y^2+11.2
Step-by-step explanation:
4-3y(-7y)+7.2
combine like terms
-3y (-7y) = 21y^2
add 4 to 7.2
11.2
21y^2 + 11.2
To find the area, you must split the kite into many triangles.
(5*7*0.5)*2 + (4*5*0.5)*2 = 55
Answer: 55 square meters
Y=mx + b
M stands for the slope.
In this case it would be -2
Answer:

Step-by-step explanation:
