Which number produces a rational number when added to 0.42 a.3/8 b. pie c. 0. d. square root of 3

Steve had 48 chocolates but he decided to give 8 chocolats to each of his f coworkers. how many chocolates does steve have left

The difference between two numbers is one. three times the larger number minus two times the smaller number is 9. what are the two numbers

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