At Walmart, Mr. Smith buys 4 packs of pencils for $1.99 each and 2 packs of paper for $3.75 each. If he pays with a $20.00, how much change will he receive?

Acompany that manufactures and sells guitars made changes in their product range. from the start they had 20 models. then they reduced the number of models to 15. as a result, the company enjoyed a 10% increase in turnover. - how much did the stock level change? in (%)

Louis wants to carpet the rectangular floor of his basement the basement has an area of 864 square feet the width of the basement is 2/3 its length what is the length of lewis's basement

Given sin28.4=.4756, cos28.4=.8796, and tan28.4=.5407 find the cos of 61.6