Answer:
6.25
Step-by-step explanation:
(x-a)^2=x^2-2ax+a^2
2a=5
a=2.5
2.5 ^ 2 = 6.25
35 square units is the answer
Step-by-step explanation:
To get the inverse, swap the x- and y-variables, then solve for y. We should have the equation: 
Solving for y:
because
or 
So on interchanging the variable, we get the equation:
Answer:
189
Step-by-step explanation:
each of the triangles has a area of 35 cm, so 35x4=140, then the square is 49 cm so its 140+49=189.