In △ABC, the coordinates of vertices A and B are A (1,-1) and B (3,2).

For each of the given coordinates of vertex C, is △ABC a right triangle?

Select Right Triangle or Not a Right Triangle for each set of coordinates.

C (0,2)

C (3,-1)

C (0,4)

A sign 4 meters tall cast a shadow 5 meters long. At the same time, a tree casts a shadow 30 meters long. What is the height of the tree?

8/9=?/18 find another name for the given number, but with the denominator indicated. Use multiplication by 1.

A Pew Research survey asked 2,373 randomly sampled registered voters their political affiliation (Republican, Democrat, or Independent) and whether or not they identify as swing voters.

The rabbit population in a certain area is 500% of last year's population there are 1300 rabbits this year how many were there last year

A simple random sample of 30 students was selected from a normally distributed population of high school students.

Which of the following statement is true about k-NN algorithm? k-NN performs much better if all of the data have the same scale k-NN works well with a small number of input variables (p), but struggles when the number of inputs is very large k-NN

1/2 the weight of a brick + 20 = 1/3 the weight of a brick + 30. What is the weight of the brick?

What's 1 and two thirds divide three and one half

If x = - 21, what is y?

1. 1 1/3 x ¼ 2. 2/9 : 2/5 3. 1 ¾ : (-2 5/8) 4. 2/9 : z/3