Use the identity x3+y3+z3−3xyz=(x+y+z)(x2+y2+z2−xy−y z−zx) to determine the value of the sum of three integers given: the sum of their squares is 110, the sum of their cubes is 684, the product of the three integers is 210, and the sum of any two products (xy+yz+zx) is 107. enter your answer as an integer, like this: 42

25 ! the line of best fit is h = 5a + 86. predict the height at age 16. show your work.

The coordinates of vortex a’ are (8,4) (-4,2) (4,-,4) the coordinates of vortex b’ are (6,6)(12,-,12)(12,12) the coordinates of vortex c’ are(-2,,12)(4,12)(12,-4)

"curse these trig-loving pirates! " devora mutters as she looks at the map. then, after thinking for a moment, she walks back to the entrance of the secret cave, measuring 48 meters along the way. after performing a calculation, devora walks back to the empty treasure, faces the entrance, and turns a certain number of degrees to her left before walking 89 meters to the treasure. supposing that the angle at the cave entrance is acute and that devora's calculations were correct, how many degrees did she turn?