Answer:
D, <VMY cannot be a right angle, its an obtuse angle (more specifically, ab a 120 degree angle)
Answer:
Option A. is correct.
Step-by-step explanation:
Given: A cell phone company recently noticed a
sales decrease in the month of July compared to June such that
represent June's sales.
Also,
represents July's sales.
To find: equation that can be used to determine the sales in July
Solution:
June's sales 
Decrease in sales 
So,
July's sales 
Also,
July's sales 
Therefore,

So, option A. is correct.
Answer: 
Step-by-step explanation:
Given
The dimension of the chair is

Suppose, the chair is in a rectangular shape, its Surface area is given by
![\Rightarrow SA=2[lw+wh+lh]\\\\\text{Insert the values}\\\\\Rightarrow SA=2[49\times 28.7+28.7\times 39.6+39.6\times 49]\\\\\Rightarrow SA=2[1406.3+1136.52+1940.4]\\\Rightarrow SA=2\times 4483.22\\\Rightarrow SA=8966.44\ \text{square units}](https://tex.z-dn.net/?f=%5CRightarrow%20SA%3D2%5Blw%2Bwh%2Blh%5D%5C%5C%5C%5C%5Ctext%7BInsert%20the%20values%7D%5C%5C%5C%5C%5CRightarrow%20SA%3D2%5B49%5Ctimes%2028.7%2B28.7%5Ctimes%2039.6%2B39.6%5Ctimes%2049%5D%5C%5C%5C%5C%5CRightarrow%20SA%3D2%5B1406.3%2B1136.52%2B1940.4%5D%5C%5C%5CRightarrow%20SA%3D2%5Ctimes%204483.22%5C%5C%5CRightarrow%20SA%3D8966.44%5C%20%5Ctext%7Bsquare%20units%7D)