Farhan has three pieces of rope with lengths of 140 cm, 168 cm and 210 cm. He wishes to cut all the three pieces of ropes into smaller pieces of equal
length such that there is no leftover rope.
(i) What is the greatest possible length of each of the smaller pieces of rope?
(ii) How many smaller pieces of rope can he get altogether?

Answer this question! 30 points and brainliest! only if you know the answer.

The function a represents the cost of manufacturing product a, in hundreds of dollars, and the function b represents the cost of manufacturing product b, in hundreds of dollars. a(t) = 5t + 2 b(t) = 7t - 2t +4 find the expression that describes the total cost of manufacturing both products, a(t) + b(t). a. 7t^2 - 7t + 2 b. 7t^2 + 3 +6 c. 7t^2 + 7t - 6 d. 7t^2 - 3t + 6

The price of a visit to the dentist is calculated according to the formula 50+100n50+100n where nn is the number of cavities the dentist finds. on your last visit to the dentist, 22 cavities were found. what was the cost of your visit?