Given the hyperbola 9y -4x2-36 0, write the equation in standard form and find the coordinates of the vertices and the equations of the asymptotes. graph the hyperbola

Aquantity with an initial value of 3900 decays exponentially at a rate of 35% every hour. what is the value of the quantity after 0.5 days, to the nearest hundredth?

Liz is shipping a package to her friend. the maximum weight of a medium flat-rate box is 20 pounds, including the box which weighs 6 ounces. write and solve an inequality to describe the possible weight ,w, of the contents that liz will ship to her friend if she must use a medium flat-rate box.

Is the power produced directly proportional to the wind speed, give reasons for your answer?