(MP) Reason The diagram shows two parallel lines cut by a transversal. Clarissa measured 21 and 22 with her protractor. She says the angles
measure 43 and 142, respectively. Is she correct? Explain.

Initially 100 milligrams of a radioactive substance was present. after 6 hours the mass had decreased by 4%. if the rate of decay is proportional to the amount of the substance present at time t, find the amount remaining after 24 hours. (round your answer to one decimal place.)

Consider that lines b and c are parallel. what is the value of x? what is the measure of the smaller angle?

The point of intersection of the diagonals of a rectangle is 4 cm further away from the smaller side then from the larger side of the rectangle. the perimeter of the rectangle is equal to 56 cm. find the lengths of the sides of the rectangle. 16 points answer quick