**Answer:**

2g + 69

**Step-by-step explanation:**

Since 3g and g has the same variable: g, you can directly evaluate their co-efficients: 3 and 1.

3g - g = (3-1)g

= 2g

**Answer:**

83

**Step-by-step explanation:**

Creo que eso es lo quieres

Well, we know that 18 can't go into 29.25 more than once, so we would have to do 29.25 minus 18 which would be 11.25. Since it's plus .15, we have to divide 11.25 and .15.which would be 75. So that means she used 75 minutes last month.

**Answer:**

Last one, triangles AOB and COD

**Step-by-step explanation:**

In step 3, they are talking about the side/angle/side postulate. That helps in describing a triangle, therefore she must be talking about a triangle

Multiplying a function by a number that when squared is less than one, compresses the graph vertically by a factor equal to the coefficient.

In this case (2/3)^2=4/9 and 4/9<1 so the graph of G(x) is the graph of F(x) compressed vertically.