Solve these recurrence relations together with the initial conditions given. an = an−1 + 6an−2 for n ≥ 2, a0 = 3, a1 = 6

Find the solution of this system of equation -7x+y=-20 9x-3y=36

Do,h = (7, 9) (14, 18) the scale factor is

In trapezoid abcd, ac is a diagonal and ∠abc≅∠acd. find ac if the lengths of the bases bc and ad are 12m and 27m respectively.