11. Sketch a graph of the polynomial function described. fis increasing when -2 < x < 0 and x > 2;f is
decreasing when x < -2 and 0 < x < 2.
f(x) > 0 when x < -3, -1 3;
f(x) < 0 when -3 < x < -1 and 1 < x < 3.
one

The variable z is directly proportional to x, and inversely proportional to y. when x is 4 and y is 13, z has the value 1.2307692307692. what is the value of z when x= 9, and y= 20

Each morning papa notes the birds feeding on his bird feeder. so far this month he has see. 59 blue jays, 68 black crows, 12 red robin's and 1 cardinal. what is the probability of a blue jay being the next bird papa sees

Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*