What is the value of x in the diagram below? Can someone pls help, this is timed. Please and thank you :)

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

An initial investment of $100 is now valued at $150. the annual interest rate is 5%, compounded continuously. the equation 100e0.05t = 150 represents the situation, where t is the number of years the money has been invested. about how long has the money been invested? use your calculator and round to the nearest whole number. years

Bob the builder is making 480kg of cement mix. this is made by cement, sand and gravel in the ratio 1: 3: 4