Please explain this to me, I have never learned about this but our teacher told us to do it and I put a wrong answer, now I don't know what I did was wrong and want to learn abt it

Atemperature of 1.64◦f corresponds to answer in units of ◦c.

What is the length and width of a 84.5 square foot rug? will mark

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (–4, 0) and (6, 0). the y-intercept of the first parabola is (0, –12). the y-intercept of the second parabola is (0, –24). what is the positive difference between the a values for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth