9514 1404 393
Answer:
A. 5
Step-by-step explanation:
The base AB is twice the length of the midsegment CD.
8n +10 = 2(5n)
8n +10 = 10n . . . . . eliminate parentheses
10 = 2n . . . . . . . . . subtract 8n
n = 5 . . . . . . . . . . . divide by 2
Substract 6 to both sides and you get 36 =-2d then you use the multiplicative inverse and d=-18.
I think number #29 is A but may be B and number #30 is C
450 miles
1 in. Per 60 miles
460/60 = 7.5 inches
