At 3 am the temperature was -4°C by midday the temperature had gone up by 11°C from Midday to midnight the temperature went down by 9°C work out the temperature by midnight?

Step-by-step explanation:

Temperature at 3 am = -4°C

Temperature at midday = up 11°C

= -4°C + 11°C

= 7°C

Temperature at midnight = down 9°C

= 7°C - 9°C

= -2°C

So, the temperature at midnight is -2°C

Hope it helpful and useful :)

point a is the center of the circle that passes through points e, f, and g and the center of the circle that passes through points x, y, and z.

answer: group b.

step-by-step explanation: