Answer:
A) 
B) T = -5 °C
Step-by-step explanation:
A) Let T be the change in temperature of the week. T is determined as the total temperature change (-20°C) divided by the number of weeks that have passed (4 weeks). The expression is:

B) In order to simplify the expression, simply perform the division.

This means that the temperature has dropped by 5 degrees each week.
Simply view this formula as an equation and solve for R
This would look like:
V=IR
V/I=R/I
V/I=R
ANSWER
R=v divided by I
Answer:
8/7
Step-by-step explanation:
I don’t kno how to estimate using benchmarks but I kno the exacts answer is 13/10 or 1.3
Answer:
the answer should be the second option idk for sure sorry if wrong.
Step-by-step explanation: