in the arithmetic progression,98,91,.....,0.find (a).the common difference.(b)the number of terms in the progression

Jack usually mows his lawn in 3 hours. Marily can mow the same yard in 7 hours. How much time would it take for them[..]

The polynomial ax^3+3x^2-3 and 2x^3-5x+a when divided by x-4 leaves remainder R1 & R2. find a of 2R1-R2=0.

what must be subtracted from x^3-6x^2 -15x +8 so that result is exactly divisible by x^2 + x -12?

In a recent International Gymnastics competition, the U.S., China, and Romania were the big winners. if the total[..]

a 6-ft board is cut into 2 pieces so that one piece is 2 feet longer than 3 times the shorter piece. If the shorter[..]

The number deer in the game preserve a conservationist catch 454 deer tags them and lets them loose later 920 deer[..]

Keiko bicycles 5 km/h faster than Pradeup. In the same time it takes Praedup to bycycle 51 km, Keiko can[..]

The office Jet printer can copy Marias dissertation in 10 min. The Laser jet printer can copy the same documents in[..]

A circular flowerbed has a diameter of 14 ft. How many meters of fencing will be required to enclose this garden.