Three sheafs of good crop, two sheafs of mediocre crop, and one sheaf of bad crop sold for 39 dou. Two sheafs of good, three of mediocre, and one of bad sold for 34 dou. One sheaf of good, two of mediocre, and three of bad sold for 26 dou. What is the price for a sheaf of good crop, mediocre crop, and bad crop

is this the complete

answer: 5/2     2 1/2

step-by-step explanation:

5/2              

5 goes into 2 two times so its 2 and 1/2

73

step-by-step explanation:

7×3²+10

=7×9+10

=63+10

=73

during a construction project, engineers used explosives to excavate 140 feet of tunnel into a mountain. but because of time constraints and environmental concerns, they brought in a tunnel boring machine (tbm) to excavate the rest of the tunnel. the data table lists some observations an engineer made about the length of the tunnel after the tbm was introduced.

which equation represents the length of the completed tunnel based on the number of days since tbm was introduced?

the answer is y = 45x + 140