Hi can you help me with these questions please

Thinking 6. Solve for x: 9xts = 272x-5 13 7. Solve 7x = 142. Round your answer to one decimal place. 13 8. Solve the equation: 42n+1 _ on-1 13Application (full solutions required) 1. a) Simplify a b' x alB+ 12 b) Evaluate your expression from part a) for a = -4 and b = 2. /2 2. Write (-125) 3 in radical form, then evaluate. 12 3. Evaluate 0. 75 . Round your answer to three decimal places. 12Communication Zack invests $300 in a simple interest account that earns 8% per year. The amount, A, after n years is given by the equation A = 300+ 24x. Zack's brother Sam invests $200 in an account that earns 12% per year, compounded annually. The amount, A, after n years is given by the equation A = 200(1.12)". When will both brothers have the same amount of money in their accounts? Round your answer to the nearest year. Show your calculations. 14 Write the equation of the line or curve of best fit for this data. Round values to two decimal places. /4 (first, find the first differences and ratios, and then construct the model) X Ly 0 2.5 4.6 N - 8.5 15.7 29.0