If the RADIUS of a circle is 9 meters, then the DIAMETER is? * 25 points
4.5 meters
12 meters
18 meters
27 meters

X+y=-4 x-y=2 use elimination with adding and subtraction

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?

From the top of a tree a bird looks down on a field mouse at an angle of depression of 50°. if the field mouse is 40 meters from the base of the tree, find the vertical distance from the ground to the bird's eyes.