Ascalene triangle has the lengths 6, 11, and 12. keyla uses the law of cosines to find the measure of the largest angle. complete her work and find the measure of angle y to the nearest degree.1.  122 = 112 + 62 − 2(11)(6)cos(y)2. 144 = 121 + 36 − (132)cos(y)3. 144 = 157 − (132)cos(y)4. −13 = −(132)cos(y) degrees

What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?

Samson is going shopping for sugar and butter to make three different kinds of cookies: lemon bars, peanut butter cookies, and sugar cookies. the recipe for lemon bars calls for 2 cups of flour, 2 cups of sugar, and 1 stick of butter. the peanut butter cookie recipe calls for 2 cups of flour, 4 cup of sugar and 2 stick of butter. the sugar cookie recipe calls for 1 cup of flour, 2 cups of sugar, and 2 sticks of butter. sampson has 13 cups of flour at home, and he buys 12 cups (6 pounds) of sugar and 10 sticks of butter. how many batches of each type of cookie can he make? samson can make batches of lemon bars, batches of peanut butter cookies, and batches of 09 cookies submit reset

Which of the following is the best first step in solving the equation below? 4+2㏒³x=17