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.
Answer:
10 5 40
Step-by-step explanation:
if it is a sample and there are 5 diffrant things that is supposed to be in there, the 5 would be just rediculus, if it is 10, that would make more sense. 40, that would be more like the regular versian of it
hope this helps!!!
Answer:
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Step-by-step explanation:
Answer:
a
Step-by-step explanation:
The equation of a line in slope- intercept form is
y = mx + c
Rearrange 3x - y = 4 into this form ( add y to both sides )
3x = y + 4 ( subtract 4 from both sides )
3x - 4 = y OR y = 3x - 4 → a