4. A toy rocket is launched from the top of a cliff with an initial vertical velocity of 64 ft/s. The height h (in feet) of the rocket as a function of time t (in seconds) is modeled by the
equation:
h(t)=–16t^2+64t+80

The head librarian at the library of congress has asked her assistant for an interval estimate of the mean number of books checked out each day. the assistant provides the following interval estimate: from 740 to 920 books per day. what is an efficient, unbiased point estimate of the number of books checked out each day at the library of congress?

Choose the number sentence that shows the identity property of addition. a. 122 = 61 + 61 b. 62 = 1 + 61 c. 61 = 0 + 61

Find the values of y: 3y^3(y^2+ 2/3y)=0