Find the unit rate: 3 1/4 miles in 11/2 hours

What is the 12th term of b(n)=-4-2(n-1)

(05.02)a farmer has decided to divide his land area in half in order to plant soy and corn. calculate the area of the entire area so he knows how much soil is needed. a parallelogram with a height of 6 yards and side length 9 yards. the height forms a triangle with the slanted side of the rhombus with a base of 2.5 yards. rhombus is split into a soy half and a corn half. each bag of soil covers 40 square yards. how many bags should the farmer purchase?

Car a and car b were in a race .the driver of car b claimed that his car was twice as fast as car a