Answer:
I know u saw me before but the answer is B hope it helps! =)
Answer:
Turn off battery supply → The electromagnet turns off.
Place a magnet care inside the coil of wire → The strength of the electromagnet increases.
Change the direction in which the current flows → The poles of the electromagnet reverses
Are there answer choices i really dont under stand the question
Answer:
216:6 ratio
36 rate
Step-by-step explanation:

A parabola is open up if a > 0.
The vertex formula:

(h; k) - the coordinates of the vertex

Therefore h = -5 < 0
Answer: B. y = x² + 10x + 24.