In 2002, the temperature on the first day of summer was 79°F. This is 4°F less than it was on the first day of summer the previous year. What was the temperature on the first day of summer in 2001? A. In 2001, the temperature was 75°F.
B. In 2001, the temperature was 93°F.
C. In 2001, the temperature was 83°F.
D. In 2001, the temperature was 82°F.

  C. In 2001, the temperature was 83°F.

Step-by-step explanation:

  79 is 4 less than 83.

The temperature in 2001 was 83 °F.

answer   download the app called socratic on your phoner:

step-by-step explanation:

check above link.

graphically?   well, you graph them both, the solutions is where they both intersect each other, since there are two solutions, meaning they will meet twice, or namely the linear will run into the quadratic curve twice, and where they meet, those x,y coordinates are the solutions to the system.