Two angles of a triangle measure 42° and 84°. find the measure of the third angle, in degrees. (enter an exact number.)

Iq scores for adults age 20 to 34 years are normally distributed according to n(120, 20). in what range does the middle 68% of people in this group score on the test?

Suppose a store sells an average of 80 cases of soda per day. assume that each case contains 24 cans of soda and that the store is open 10 hours per day. find the average number of soda that the store sells per hour.

Write an equation of the line that passes through 9,2 and is parallel to the line y=5/3x+9