Rei is barricading a door to stop a horde of zombies. she stacks boxes of books on a table in front of the door. each box weighs
30
kilograms, and the table with
8
boxes on top weighs a total of
310
kilograms.
the total weight
w
of the barricade in kilograms is a function of
x
, the number of boxes rei stacks on the table.
write the function's formula

After t seconds, a ball tossed in the air from the ground level reaches a height of h feet given by the equation h = 144t-16t^2. after how many seconds will the ball hit the ground before rebounding?

What is the missing statement in step 4? ? rts ? ? vtu and ? rtu ? ? vts ? rts ? ? rvs and ? rtu ? ? stv ? vrs ? ? vru and ? usr ? ? usv ? vur ? ? vus and ? uvs ? ? sru

In a survey of 1015 adults, a polling agency asked, "when you retire, do you think you will have enough money to live comfortably or not. of the 1015 surveyed, 534 stated that they were worried about having enough money to live comfortably in retirement. construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement.