The temperature outside changed from 91°F to 42°F over a period of seven days. If the temperature changed by the same amount each day, what was the daily temperature change?
A:
49°F

B:
-49°F

C:
-7°F

D:
7°F

for any of you who need the translation here it is

step-by-step explanation:

find the angular size of the equatorial radius of the earth, if the horizontal parallax of the sun

answer: an 8-foot rope is tied from the top of a pole to a

stake in the ground, as shown in the diagram

below

step-by-step explanation:

we can't see all full 4 options, but if this is the full option, than the very left one is correct:

-2/5 * -3 3/4

remake the question, adding a picture of all the question, or write down the full left and right answers.