Simplify the quotient 4.5 x 10^3/9 x 10^7 . write your answer in scientific notation. show your work.

An angle that measures between 90 and 180° is called a(,

Using only odd number for numerators write two different subtraction problems that have a difference of 3/4

Jorge wants to determine the enlarged dimensions of a digital photo to be used as wallpaper on his computer screen. the original photo was 800 pixels wide by 600 pixels high. the new photo will be 1,260 pixels wide. what will the new height be?