Answer:
One
Step-by-step explanation:
145=2x
72.5=x that's one solution.
Answer:
The y axis
Step-by-step explanation:
Perpendicular means for a line to create a 90 degree angle, like it does on the y axis.
Hope this helps!
Answer:
x=4 or x=-5/7
Step-by-step explanation:
The area formula for a triangle is 1/2 (base * height)