Answer:
yes
Step-by-step explanation:
it is correct because, since x>5, anything relating x and 5 together will always put x greater than 5.
Not a triangle because the two smaller numbers do not add up to a bigger number than 15
Answer:
D is 12
Step-by-step explanation:
75 - 63 = 12 = D
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:

Step-by-step explanation:
The correct steps to solve the equation are:


Because 
So, solving we get:

Sum 3 on every side:

Dividing by 2 into both sides:

So, the answer is 