Write a linear expression in simplest form to represent the perimeter of the triangle at the right. Then find the
perimeter if the value of x is 10 millimeters.

Select the correct answer. joshua likes to read. he read 6 books when he was 6 years old. every year he doubled the number of books he read the previous year. how many total books did he read between the ages of 6 and 10? a. 60 b. 90 c.186 d.187

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

Does the point (1, sqrt 7) lie on circle shown.