Answer: 
<u>Step-by-step explanation:</u>
Average rate of change is the slope (m) between the two coordinates (-1, -1) and (1, -2).



Answer:
C
Volume is lxwxh. so it would be 2x3xh
Answer:



QRS is isosceles
Step-by-step explanation:
Given
See attachment for complete question
From the attachment, we have the following parameters





Solving further, we have:








From the calculations;

<em>This means that: QRS is isosceles</em>
I just had this question choose "d" hope it helps