Write the sum using summation notation, assuming the suggested pattern continues. -9 - 4 + 1 + 6 + + 66

hey! so 1 (25) out of 4 (100) is 25 so your answer is 25%. it's like quarters!

his first public project he is asked to create a small scale drawing. the garden is a right triangle with base 25m and height 30m. are you trying to solve for the last side/hypotenuse? the irrational form of the answer would be 5\sqrt{61}