At dawn, the temperature at the summit
of a mountain was -8.5° C. By noon, the
temperature had increased 3.6° C. What
was the temperature at noon?

Jose predicted that he would sell 48 umbrellas. he actually sold 72 umbrellas. what are the values of a and b in the table below? round to the nearest tenth if necessary

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)

If two lines form congruent alternate interior angles with a transversal, then the lines