Alex went for a walk. D(t) models the distance Alex walked in (kilometers) after t hours what does D(0.5)<D(1)-D(0.5) mean?

9/10 divide by -3/15 as a mixed number

Right triangle xyz has a right angle at vertex y and a hypotenuse that measures 24 cm. angle zxy measures 70º. what is the length of line segment xy? round to the nearest tenth. 8.2 cm 8.7 cm 22.6 m 25.5 cm

Elena is paid a constant rate for each hour she works. the table shows the amounts of money that elena earned for various amounts of time that she worked.