use the unit circle to express the values of sine, cosines, and tangent for πx, π x, and 2π–x in terms of their values for x, where x is any real number

For one history test, keith had to answer 40 questions. of these 40 questions, keith answered 28 of them correctly. what percent did keith get on his history test? round your answer to the nearest tenth if necessary

Multiply. write your answer in simplest form. 3/8 x 5/7

Stacey filled her 1/2 cup of measuring cup seven times to have enough flour for a cake recipe how much flour does the cake recipe calls for