Step-by-step explanation:
a )2x-2
b)6x+9
c)7x+35d
for these type of questions you basically just times the out side number of the brackets by the inside one.
hope this helps u understand:)
Answer:
13 
Step-by-step explanation:

x=40/3 = 13 
Answer:
D 41/10
Step-by-step explanation:
substitute the values given into the equation. Calculate.
Answer:
0.24725000000000003
Step-by-step explanation: