Answer:
58.5
Step-by-step explanation:
since a triangle consists 180 degrees, 180-90-31.5 would equal 58.5
The answer to this problem is letter d
Answer:sorry but thats the wrong answer it a a and c
Step-by-step explanation:
Answer:
7c+21
Step-by-step explanation:
multiply 7 by c and 7 times 3
7c and 21
7c+21