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:
D. 
Step-by-step explanation:
<em>See</em><em> </em><em>above</em><em> </em><em>information</em>
* The above answer is closer to the one in the picture, so we pick <em>answer</em><em> </em><em>choice</em><em> </em><em>D</em><em>.</em>.
I am joyous to assist you anytime.
Answer:
B. 7 yards
Step-by-step explanation:
4 (1)/(6)*1 (17)/(25)= 7