Answer:
12 prob
Step-by-step explanation:
-mn^2-5m^2/(5m-2)(m+4n)
if I did it correctly
Diagram? There is no diagram given.
a.


Cannot solve b without the diagram.
Answer:
<A=143
Step-by-step explanation:
<A=<B (corresponding angles)
7x+24=3x+92
7x-3x=92-24
4x=68
dividing both sides by 4
x=17
Now <A=7x+24
<A=7(17)+24
<A=119+24
<A=143
6+4+3= 13 coins
There are 20 coins so you have to subtract 20-13+7
So, Ms. Mitchell has 7 nickels in her purse