If you have a picture frame 8cm by 6cm, can it be reduced to 6cm by 4cm

Find the value of the cosine for angle a

Calculate the missing value. round the answer to on decimal place. start with 70, increase it by 21%, and end up with

Three people are traveling and need to exchange the currency of their native country for the currency of the country they are visiting. drag each exchange to the category that shows the ratio of currencies in that exchange.