Answer:
50 + 100n
Step-by-step explanation:
The cost is the cost of the visit plus the cost of the cavities
50 + 100n where n is the number of cavities
Answer:
circle b and it is bigger by 1 centimeter
Step-by-step explanation:
since circle b has a radius of 5 and radius is have of the diameter you have to do 5+5 to get the diameter when you do that you get 10 and then you have to subtract circle a diameter which is 9 from circle b diameter which is 10 so 10-9 is 1
B. if two lines are perpendicular, then they intersect to form four right angles.
Answer:

Step-by-step explanation:
Given




Required
Evaluate 
Expand

Further expand

Apply product rule of logarithm

Substitute values for log(7) and log(3)

