Answer:
9
Step-by-step explanation:
10+x=19
move 10 over the =
x =19-10
x=9
Answer:
B
Step-by-step explanation:
the sum of angles of triangle=180
B: 50+60+70=180
Answer:
6/250, 9/375, etc...
Step-by-step explanation:
multiply(GIANT ONE)
3/125 x 2/2 = 6/250
3/125 x 3/3 = 9/375
-1+1=0. So your answer is -1 and 1