there are 420 birch trees, 160 oak trees and 300 wild trees, what percentage of the trees an oak tree

To determine the aptness of the model, which of the following would most likely be performed? A. Check to see whether the residuals have a constant variance B. Determine whether the residuals are normally distributed C.

The watering can that Carlos uses in his vegetable garden holds 5 of a certain unit of liquid volume. When full, how much water is in the watering can?

The table below shows the temperature in degrees for eight consecutive days as well as the respective number of ice cream cones an ice cream shop sold on each of these days temp

Ken, Justin, and Tiff have read a total of 90 books from the library. Justin read 3 times as many books as Ken and Tiff read 2 times as many as Justin. How many books did Justin read?

Solve the system of equations using substitution. y = 2x + 4 and 2x - y = 6

How can I find the cube root of 27/108

Use properties of addition to find simplest form of 8 1/5 + (4 2/5 + 3 3/10)

A bag has 2 yellow, 7 red, and 1 green marble. What is the probability of picking a red marble, replacing it, and then picking a green marble?

D. which of the following is a reflex angle? the dotted line a line

How do you convert 32ft/sec to meters/min?