solve all of these please

MCPS Solve the logarithmic equation. Enter a numerical answer only. If x = 2, enter the number 2 O Account 13 Dashboard 8 2 points Courses 7z = 15 28 Solve the exponential equation. Enter a numerical answer only. Round your answer to the nearest tenth. Groups type your answer.. Calendar 3 103 9 3 points nbox 4 Solve the equation. Enter your solution as number only. log2 (5v + 23) - 9= -2 History 5 21 Resources Synergy 10 4 points Solve the equation. Enter your solution as number only. log4 (n - 1) + log4 (n + 3) = log4 (2n2 - 18) K type your answer.. 14 W S