The temperature in oslo was −20∘c at midday. at 4 pm, the temperature rose 3∘c, and then dropped 8∘c at 8 pm. anyone me out? because im not sure with with the rising by 3 degrees c part, because i think that it is - 20 + 3 which = -23 or -17 im not sure me out

You are on the right track: - 20 + 3 = - 17 but do not forget about "dropped 8°C"

i did it myself and i got 4.2 (b) hope its right

step-by-step explanation:

11.2

step-by-step explanation:

when doing tangent the tangent of the angle is equal to the opposite side from the angle over the adjacent side to the angle.

tan43 = x / 12

move 12 over by multiplying each side by 12

12tan43 = x

x = about 11.2