Which pair of ratios is proportional? a. 5/7 and 25/35 b. 6/9 and 18/26 c. 9/18 and 16/36 d. 35/120 and 75/240

Factor the expression using the gcf. the expression 21m−49n factored using the gcf

You just purchased two coins at a price of $670 each. because one of the coins is more collectible, you believe that its value will increase at a rate of 7.1 percent per year, while you believe the second coin will only increase at 6.5 percent per year. if you are correct, how much more will the first coin be worth in 15 years?

The value, v, of kalani’s stock investments over a time period, x, can be determined using the equation v=750(0.80)^-x. what is the rate of increase or decrease associated with this account? 20% decrease 20% increase 25% decrease 25% increase