Anumber, x, added to 2/5 is greater than 2/3 less than two times the number. what is the range of possible values for the number? will be brainiest answer show all work plz : )

Describe all the numbers that when rounded to the nearest thousand are 645,000

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

Ahovercraft takes off from a platform. its height (in meters), xx seconds after takeoff, is modeled by: h(x)=-2x^2+20x+48h(x)=−2x 2 +20x+48 what is the maximum height that the hovercraft will reach?