Answer:
C: 36
You should split the parts up:
2 x 5 = 10
2 x 5 = 10
8 x 2 = 16
10 + 10 + 16 = 36
Hope this helps <3
Answer:
Mesopotamia
Step-by-step explanation:
The oldest clay tablets with mathematics date back over 4,000 years ago in Mesopotamia. The oldest written texts on mathematics are Egyptian papyruses.
Answer:
x=6,y= 7
Step-by-step explanation:
-6x +7y= 13
-6x+8y=20
-y = -7
divide through by -1
y =7
sub y= 7 in equation 1
then x= 6