Find the perimeter of the figure
where the length is 4x + 7,
the width is 2x - 5.

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.

What is the solution of the equation? 35√(x+2)3+3=27

Tyler reads 2/5 of a book on monday, 1/3 of it on tuesday, 2/9 of it on wednesday, and 3/4 of the remainder on thursday. if he still has 14 pages left to read on friday, how many pages are there in the book?