Answer:
Step-by-step explanation:
1. 7x + 4
2. 3x - 2
If he wants to have 3 seats more in each row it will go from 18 to 21 to 24 etc. In this case the equation will be y=3x+12
Answer:
12/4
hope it helps!
Step-by-step explanation:
A multiplicative inverse is a reciprocal... A reciprocal is one of a pair of numbers that when multiplied with another number equals the number 1.
So the inverse of 4/12 is 12/4
Because 4/12*12/4= 1
Answer: 
Step-by-step explanation:
The area of a triangle can be calculated with the formula:

The base of the triangle is "b" and the height of the triangle is "h",
In the figure you can observe that the base and the height of the triangle are:

Knowing these values, you can substitute them into
.
Therefore, the area of the triangle is:

