Answer:
See Below
Step-by-step explanation:
Ok, this is just like the systems of equations.
x-7 = 5x-31
Solve
x-7 = 5x-31
-x -x
-7 = 4x -31
+31 +31
24 = 4x
24/ 4 = 4x/ 4
x=6
Hope this helps!=)
B. Hshejsiaiajsgaiajbehsiabsvahajakajbsjs
Answer:
= 225
= 64
= 289
+
+ 
= 225 + 64 = 289
289 = 289
Hence its a right angled triangle
Hope it helps
Please mark me as the brainliest
Thank you
original quantity : 10 for $1
new quantity: 4 for $1
now we have to find each percent change
10-4=6
6÷100=0.06
0.06=6%
the quantity went down 6%
300% if 5 is 15. 30% of 5 is 1.5 not 15. That is an error. Hope this helps!