The diagram shows a rectangle and a triangle. Triangle- x, 2x, 2x+11
Rectangle- 2x+7, x-5 (remember length+length+height+height for rectangle)

The perimeter of the rectangle is equal to the perimeter of the triangle.
Find the value of X

Brian, chris, and damien took a math test that had 20 questions. the number of questions brian got right is 14 more than the number of questions chris got right. damien correctly answered 2 less than the number of questions chris answered correctly. if brian and damien have the same score, which statement is true?

Create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1.

Landon wrote that 3−2.6=4. which statement about his answer is true?