12÷4=3 and 36÷12=3
so the ratio is same
therefore it is a geometry sequence


=108
If you have a graphing calculator just put in the equation in 'y=' (not the i equation), and then go to 2nd trace and see where the y=0, those numbers under the x column are the zeros. For the first one, the zeros are: -1, .5, and 2.8. For the second question the zeros are: -3 and about 1.9. The zeros with a decimal are estimations.
10
A) 24 ribbons
B)1/28yards
11.u have 1/2 how?
I notice that The price is higher than the original price
And I wonder it is because of the tax?