Plan A at 60 calls : 60*.25 + 25 = 15 + 25 = 40
Plan A is equal plan B at 60 calls
So if more than 60 calls the plan B will cost less than plan A
Answer: more than 60 calls
139 = x + (2x + 10)
139 = 3x + 10
129 = 3x
/3 /3
43 = x
Therefore
It is true because the volcano is expelling magma which is what you see in real life
You would have to count the faces of cubes after you’ve joined them and then add all the surface areas up of each individual cube . I drew a pic to help you
Answer:

Step-by-step explanation:
Hello There!
The exterior angle of a triangle rule is that the exterior angle is equal to the sum of the interior opposite angles
So essentially what I'm saying is that
z = 29 + 39
29+39=68 therefore the measure of angle z is 68