It’s -3 degrees celsius at sunset. the next morning at sunrise it was -7 degrees celsius. which expression gives the temperature change from sunset to sunrise?
a.) -3 - (-7)
b.) -7 - (-3)
c.) -3 + (-7)
d.) -3 x (-7)

B.) -7 - (-3)

The reason why the answer is choice B is because -7 - (-3) equals -4 which shows the temperature change which from sunrise to sunset the temperature went down 4 degrees Celsius.

Wrong Answers:

-3 - (-7) = 4 (Incorrect)

-3 + (-7) = -10 (Incorrect)

-3 x (-7) = 21 (Incorrect)

Hope This Helps :)

i believe the answer is 68cm

step-by-step explanation:

i just took 34 x 2 because the space between v and y is the same as y to k.