Answer:
4$
Step-by-step explanation:
The ratio between the $5.80 spent for 58 text messages is $0.10. This means that each text message sent is $0.10. So you just multiply $0.10 and 40 text messages to find that it costs $4 to send 40 messages.
9514 1404 393
Answer:
see attached
Step-by-step explanation:
A graphing calculator is useful for this.
The region of interest is below the parabola and above the line.
The volume of the rectangular prism will be 
<h3>What will be the volume of the rectangular prism ?</h3>
Given that





Thus the volume of the rectangular prism will be 
To know more about the volume of the rectangular prism follow
brainly.com/question/24284033
False because you can only use the Pyth. Theorem on right triangles which may not necessarily be ALL similar triangles.