Answer:

Step-by-step explanation:
The function is given.

To find : 
The input for the function f(x) is (a + 1).
Replace x with (a + 1).

Expand brackets.

Simplifying.

Number 2 is 1.00 and Number 3 is 1.50
I thinks it is b .i hope this help you
*assuming that ABC is a straight line**
<span>then you have </span>
<span>AB = 17.89 ..... this is the length of the whole line </span>
<span>BC is a part of the line = 7 </span>
<span>therefore the length of the other part = 17.89 - 7 </span>
<span>= 10.89</span>
Answer:

Step-by-step explanation:
There isn't really much to do here. To find the volume we multiply the three sides, which are already given to us (21, 14, 9) and just like that, we will get the volume of our cuboid.
Hope it helped,
BiologiaMagister