Answer:
117
100
10
7
Step-by-step explanation:
9.75x12=117
your going to do 18 x 30 and 60 x 6 and then add the answers i dont know Step-by-step explanation:
a) x = 4 cm
x + 2x + 2x = 20 cm
5x = 20
x = 4 cm
-41
5
because ?*9=45
45÷9=5
D
