Grace starts with 100 milligrams of a radioactive substance. The amount of the substance decreases by 14 each week for a number
of weeks, w. She writes the expression 100(14)w to find the amount of radioactive substance remaining after w weeks. Ryan starts with 1 milligram of a radioactive substance. The amount of the substance decreases by 40% each week for a number of weeks, w. He writes the expression (1 – 0.4)w to find the amount of radioactive substance remaining after w weeks. Use the drop-down menus to explain what each part of Grace’s and Ryan’s expressions mean.
Our triangle has legs 90, 90, x. This is a special triangle when the hypotenuse is just one of the legs times the , thus 90. This is rounded to 127.3. Please mark as brainlienst.
In order to find the value of the interior angle of a regular polygon, the equation is (n−2)180∘n where n is the number of sides of the regular polygon
