12a + 26b -4b – 16a= ?, -4a + 22b, 0.001603 X 1014 is written as 1.603 X 10n in the standard form. State the value of n., 11, 4.05 X 10-7 - 2.7 X 10-8 = ?, 3.78 X 10-7, Given the total area of the net is 360 cm2. Calculate the volume in m3 of the cuboid., 4.32 X 10-4, State the value of digit 3 in the number 213425 in base ten., 75, PQRSTU=polygon, PU = PV.QPV and TUV=straight lines. Find the value of x., 113, PQRSTU is a regular hexagon. QHR and RKS are straight lines. Find the value of x + y., 240, y varies directly with x and y = 48 when x = 12. Express y in terms of x., y = 4x, Given x varies directly with the y2 and x = 15 when y = 9. Calculate the value of y when x = 30., 36, Given p varies directly with the q2 and p = 8 when q = 4. Calculate the value of q when p = 27., 6

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