Someone please explain this to me, I get some right and some wrong and I dont know what im doing wrong.

If 1 is divided by the sum of y& 4. the result is equal to 3 divided by 4 .find the value of m?

Find the length of the diagonal of the rectangle. round your answer to the nearest tenth. || | | 8 m | | | | 11 m

The frequency table shows the results of a survey comparing the number of beach towels sold for full price and at a discount during each of the three summer months. the store owner converts the frequency table to a conditional relative frequency table by row. which value should he use for x? round to the nearest hundredth. 0.89 0.90 0.92 0.96