Why is the greatest common factors with 2 numbers sometimes 1

A car wheel of diameter 35cm spins on a road. Over 2000cm, how many full rotations will the wheel have made?

What is 4 7/10 - 1 4/5=

If x times 9=145 what is x does this sound write

Factor. x2 + 7x + 12 a. (x - 12) (x - 1) b. (x - 6) (x - 2) c. (x + 3) (x + 4) d. (x - 3) (x - 4)

at a casino, a coin toss game works as follows. Quarters are tossed onto a checker-board. the gaming dealer keeps all the quarters, but for each quarter landing entirely within one square of the checkerboard the gaming dealer pays a dollar.

Factor the polynomial: 6y3 + 9y2

A rectangular prism has a square base with side lengths of 5 centimeters and a height of 7 centimeters. What is the volume of the prism?

La argentina se encuentra rodeada de océanos al este y al oeste?

Betsy has $468 in a personal bank account, and then withdraws $9 per week. Carlos has $18 in a personal bank account, and then deposits $66 earned from yard work each week. After how many weeks will they have the same amount of money in the bank?

The difference of two numbers is less than the greater number