The equation c = f - 32/ 1.8 relates the temperature in degrees fahrenheit f to degrees celcius c. if the temperature is 25 degrees celcius what is the temperature in degrees fahrenheit?

Really need on these. i have no idea what to do

Find parametric equations for the line tangent to the curve of intersection of the surfaces at the given point. surfaces: xsquared2plus+2yplus+2zequals=1212 yequals=33 point: left parenthesis 1 comma 3 comma five halves right parenthesis

Divide. reduce the answer to lowest terms.5 2/3 ÷ 3 1/9