Answer pls asap julie has a bag containing p blue marbles and q red marbles. the ratio of blue to red is 2: 3. she adds r blue marbles. the ratio of blue marbles to red marbles is now 2: 1. what is the ratio between p and r?

Given the expression (7 ? 4i) ? (2 + 6i), perform the indicated operation and write the answer in the form a + bi.

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?

Which equation represents h for right triangle abc