Answer:
+4
Step-by-step explanation:
Subtract a number from the number after it.
6 - 2 = 4
Answer:
They do because y is always 4 times of x.
Step-by-step explanation:
Answer:
the answer to 30-60-90=0
Step-by-step explanation:
90-60=30-30=0
Answer:
a
Step-by-step explanation:
it can be solved
The angles of a triangle add to 180 degrees so the remaining angle must be 90°.
This triangle is half a square. It's one of the two tired triangles of trig, the other being half an equilateral triangle, 30°/60°/90°.
