Answer:
(y+9)(y-3)
Explanation:
9*(-3) = -27
9+(-3) = 6
C. the answer is c. i just took this test on keystone (i think this is keystone question. right?0
They produce narrow-band high-frequency sound to help them navigate in water. These high-frequency sounds are used in echolocation. Echolocation is used to identify and locate prey and also avoid the predators. Marine mammals like whales and dolphin use echolocation in different manners.
The answer is D all forms of life depend on each other for survival
B, the centrioles
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