Here you go, hope this kinda helps you out :)
Answer:

Step-by-step explanation:






70 cm
ex:
100 cm in a meter
so you’d do 100-30 cm
and that equals 70 centimeters
Answer:
Step-by-step explanation:
5-500 is sqare 5
Answer:
x = 9
Step-by-step explanation:
Sum of all angles of a triangle = 180
63 + 7x + 6x = 180
63 + 13x =180
13x = 180 - 63
13x = 117
x = 117/13
x = 9