Answer:
35
Step-by-step explanation:
x + 55 = 90
x = 90 - 55
x = 35
Answer:

Step-by-step explanation:
(smaller triangle below)

(bigger triangle above)
Since you have both triangle, and all lengths you dont need to worry about calculating the square
Add both together

A reflection over the Y-axis would be the flipped point or set of points across the y axis while still retaining the same distance from the y-axis.
:)
Answer:
X= 6/7
Step-by-step explanation: