Welcome to your DNS test 1) Select the correct answer from the options given below.If 3(2x+2) = 81, then x =1234 3) If one root of the quadratic equation 5x2 + 13x + k = 0 is reciprocal of the other, then k is equal to561/51/6 4) If { 8 = 1 / (1/x -3) } then x =-2-0.50.51.25 5) Jacob uses 30% of his monthly earnings for rent and 50% of the remaining amount for food. If he spends $525 for food, how much does he pay for rent?$400$450$500$550 6) A sphere of radius 5 has the same volume as a cube with an edge approximate length = …………….7.88.066.087.68 Time is Up! Time's up
