Please help me, 30 points and Brainlest. The red figure is congruent to the blue figure. Describe a sequence of rigid motions between the figures.

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.)

Find the roots of the equation below. x^2 - 6 + 9 = 0

Write the slope-intercept form of the line that passes through the point (1, 0) and is parallel to x - y = 7. t