Without using your calculator, approximate the decimal equivalent of each number to the nearest tenth

How many sides does a regular polygon have if each exterior angle measures 72a.3b.4c.5d.6

You and a friend went to the movies.you spent half your money on tickets. then you spent 1/4 of the money on popcorn, $2 on candy, and $3 on a soda. if you have $1 left, hiw much money did u take to the movies?

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.