Answer:
S=157
Step-by-step explanation:
an= a1+(n-1)d
a2=80+(2-1)(-3)
a2=80-3
a2=77
Sn=(a1+an)*n/2
S2=(80+a2)*2/2
S2=(80+77)*1
S2=157
Answer:6
Step-by-step explanation:
Area of a rectangle = length × width
Length = 8
Breadth = ?
Area = 48
L × B = Area
8 × B = 48
Divide both sides by 8
B = 48 ÷ 8
B = 6
1.253
Is the answer to ur question
C 16 is correct Bc if u solve it out it Becomes to 16 put -6 under 2 and 12 cross out 2-6 and add 12 and 6 witch gives u 16.
