$8000 is compounded semiannually at a rate of 11% for 19 years. find the total amount in the compound interest account

Mario has $14.35 left in his wallet. he spent $148.43 for tablecloths. then, he spent $92.05 for napkins. how much money did mario have in his wallet to start with?

The measures of the legs of a right triangle are 15m and 20m . what is the length of the hypotenuse

To find the inverse of a number a, one can use the equation f(c) = a-1/c=0 where c is the inverse of a use the secant method of finding roots of equations to find the inverse of a = 2.5 ,er = 0.001%