If you would like to know how much did Danielle spend on a long distance, you can calculate this using the following steps:
C = $77.70 - $29.95 for a basic cell phone rate - $5.95 for voice mail - $2.95 for text messaging = 77.70 - 29.95 - 5.95 - 2.95 = $38.85 on a long distance
Danielle spent $38.85 on a long distance.
Answer:

Step-by-step explanation:
a linear expression is the form

If this is for a rectangle the volume of it would be 39/2 or 19 1/2
She should purchase 120ft of material to cover the rectangular room.
12ft x 10ft = 120ft
Answer:
Trapezoid and Quadrilateral
Step-by-step explanation:
Trapezoid because it has four sides that are not equal You may not be familiar with this figure because most trapezoids don't look like this. It is a quadrilateral because it is a figure that has 4 sides.