Given that 3x : 8 = 9 :2 , find the value of x .

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

Each month, a shopkeeper spends 5x + 14 dollars on rent and electricity. if he spends 3x−5 dollars on rent, how much does he spend on electricity? for which value(s) of x is the amount the shopkeeper spends on electricity less than $100? explain how you found the value(s).

The area of a circle is equal to 1 dm². find the radius of the circle.