40 *if one of the legs of a right triangle is 4 in and the hypotenuse is 8 in, find the length of the other leg (use a calculator if necessary). can you guess the measures of the acute angles?

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!

This is about circle theorems. someone asap : (

Amanda went into the grocery business starting with five stores. after one year, she opened two more stores. after two years, she opened two more stores than the previous year. if amanda expands her grocery business following the same pattern, which of the following graphs represents the number of stores she will own over time?