The function h(t) = - 16t ^ 2 + 257 represents the height, h(t) , in feet, of an object from the ground at t seconds after it is dropped A realistic domain for this function is:

Which of the following equations is of the parabola whose vertex is at (2, 3), axis of symmetry parallel to the y-axis and p = 4? a.)y-3 = 1/16 (x-2)^2 b.)y+3 = -1/16 (x+2)^2 c.)x-2 = 1/16 (y-3)^2

What is the length of the midsegment of a trapezoid with bases of length 15 and 25 ?

Sam opened a money-market account that pays 3% simple interest. he started the account with $7,000 and made no further deposits. when he closed the account, he had earned $420 in interest. how long did he keep his account open?