Linear equations do have extraneous solutions
Answer:
x=4
Step-by-step explanation:
20x+5+24x-1=180
44x=176
x=4
Answer: D- 97.4
Step-by-step explanation:
For the scale factor of 1:3. Use ratio and proportion to solve for the area of the triangle.
area of triangle RST/ area of triangle XYZ = (1/3)^2
where
area of traianlge RST = 10.825 inch^2
Area of triangle XYZ= Area of triangle RST x (3)^2
Substitute the given values=97.4 inch^2
Answer: 
<u>Step-by-step explanation:</u>

It's the 2nd labeled angle from the right end of the upper horizontal line.