Hello, I need to solve 3x^2-4=0 and express the answer in simlest radical form, how do I do this?

My daugheter has an algebra problem that she does not know how to do It is 5 to the 4th power over 5 to the 8th power Thank you

Purdie Ltd expects to have to buy a new plant and equipment with a current value of 800,000 pounds in four years time. If currently has 200,000 in a sinking fund paying 6.7% per annum. What equal amount should it set aside into the fund each year if inflation is expected to increase the cost of the...

One bell is rung after 40 minutes and another one after 50 minutes respectively. What time will the two bells ring together?

Hello, I have a test tomorrow in my algebra class and I need to pass this test in order to pass that class. I get most of it but I'm really worried because I don't understand how to solve the equations. For example this is what the equations look like: 7(x-3) = 7(4x+5) can...