A bank pays 5% compound interest per annum. if you invest £5200 how much do you have after 4 years? pleas help aa

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?

Due to financial difficulties the owner of 4 skateboard stores is going to close 2 of his stores. based on the money earned at each store, which two stores should remain open?

What is the circumference of the pie