Convert the following temperatures from Fahrenheit to Celsius or vice versa. CequalsStartFraction Upper F minus 32 Over 1.8 EndFraction , Fequals1.8Cplus32 a. 40degreesF b. 90 degrees Upper C c. minus15degreesC Question content area bottom Part 1 a. 40degreesFequals 4.4degreesC (Type an integer or decimal rounded to one decimal place as needed.) Part 2 b. 90 degrees Upper Cequals enter your response heredegreesF (Type an integer or decimal rounded to one decimal place as needed