Answer: See below
Step-by-step explanation:
<u>Question 3:</u>

<u>Challenge:</u>
![\begin{aligned}&x(s)=s \quad ,s \in[0,4] \\&y(s)=\left\{\begin{array}{cc}3 s & , s \in[0,1] \\5-2 s &, s \in[1,2] \\1 & s \in[2,4]\end{array}\right.\end{aligned}](https://tex.z-dn.net/?f=%5Cbegin%7Baligned%7D%26x%28s%29%3Ds%20%5Cquad%20%2Cs%20%5Cin%5B0%2C4%5D%20%5C%5C%26y%28s%29%3D%5Cleft%5C%7B%5Cbegin%7Barray%7D%7Bcc%7D3%20s%20%26%20%2C%20s%20%5Cin%5B0%2C1%5D%20%5C%5C5-2%20s%20%26%2C%20s%20%5Cin%5B1%2C2%5D%20%5C%5C1%20%26%20s%20%5Cin%5B2%2C4%5D%5Cend%7Barray%7D%5Cright.%5Cend%7Baligned%7D)
Answer:
x = 39
Step-by-step explanation:
all triangles have angle measures that add up to 180°.
This means that to find what x is, you add 102 and 39, and then subtract that from 180, so
180-(102+39) = x
180-141=x
39=x
Answer:
more than 25 cents
Step-by-step explanation:
Answer:
The original side length of the square was 9 ft
Step-by-step explanation:
Consider that the square was initially of side length "x" (our unknown). Then the sides were all increased by 5 ft, and now the perimeter (addition of all four sides) of the square render 56 ft.
Let's write an equation that represents the addition of the four sides of this new rectangle, and set it equal to 56 ft. Then solve for the unknown "x":

Therefore, the original side of the square was 9 ft.
The real answer is 0.5, trust me I just took the quiz. Hope I helped.