Here is a sequence of shapes made from squares and circles.
the sequence continues in the same way.
the formula for the number of circles (c) in shape number (n) is
c = 3n - 1
use the formula to work out the shape number which has 104 circles. this is the graph: n 1 2 3 4 c 2 5 8 11 s 3 5 7 9

The median am of triangle ∆abc is half the length of the side towards which it is drawn, bc . prove that triangle ∆abc is a right triangle, and find angle mac and abm

"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?

How many roots does the graphed polynomial function have? 1-02