Use the law of cosines to find the values of x and y please help

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

Find the value of p for which the polynomial 3x^3 -x^2 + px +1 is exactly divisible by x-1, hence factorise the polynomial

Which sentence uses an objective tone? we will plant the best garden of any school in the area. the new campus garden will surely be envied by other schools. a garden would provide numerous benefits to the students. you will probably agree that gardens have many benefits.