Answer:
9 cm
Step-by-step explanation:
Has infinitely many solutions.
Answer:
120c
Step-by-step explanation:
7c(-5c)*(-4+6)
7c+5c*4+6
12c*10
120c
Answer: 60.9 u^2
Step-by-step explanation:
The area of a trapezoid can be calculated as seen in the attachment.
Thus:
![A = \frac{3.7+14.2}{2} * 6.8\\A = \frac{17.9}{2} *6.8\\A = 8.95*6.8\\A = 60.86\\Round\\\left[\begin{array}{c}A=60.9\end{array}\right]](https://tex.z-dn.net/?f=A%20%3D%20%5Cfrac%7B3.7%2B14.2%7D%7B2%7D%20%2A%206.8%5C%5CA%20%3D%20%5Cfrac%7B17.9%7D%7B2%7D%20%2A6.8%5C%5CA%20%3D%208.95%2A6.8%5C%5CA%20%3D%2060.86%5C%5CRound%5C%5C%5Cleft%5B%5Cbegin%7Barray%7D%7Bc%7DA%3D60.9%5Cend%7Barray%7D%5Cright%5D)
<em>Hope it helps <3</em>