What is the sum and classification of 3/20+√10

Which statements describe the solutions to the inequality x< -20 check all that apply. there are infinite solutions. each solution is negative. each solution is positive. the solutions are both positive and negative. the solutions contain only integer values. the solutions contain rational number values.

The measurement of one angle of a right triangle is 42° what is the measurement of the third angle? (there is no picture)

How many square centimeters of wrapping paper will be used to wrap the shoe box?