Isaiah has $7.15 in dimes and nickels. he has a total of 91 coins. how many good each coin does he have?

F(x) = 1/x g(x)=x-4 can you evaluate (g*f)(0) ? why or why not?

A3cm×3cm\greend{3\,\text{cm} \times 3\,\text{cm}} 3cm×3cm start color greend, 3, space, c, m, times, 3, space, c, m, end color greend rectangle sits inside a circle with radius of 4cm\blued{4\,\text{cm}} 4cm start color blued, 4, space, c, m, end color blued . what is the area of the shaded region? round your final answer to the nearest hundredth.

The length of a rectangular flower bed is 2ft longer than the width. if the area is 6ft, then what are the exact length and width? also find the approximate dimensions of the rectangle.