Spider crab and algae: Spider crabs live in shallow areas of the ocean floor, and greenish-brown algae ves on the crabs' backs, making the crabs blend in with their environment, and unnoticeable to predators The algae get a good place to live, and the crab gets camouflage. organism 1: helped harmed not harmed/not helped .
organism 2: helped harmed not harmed/not helped
symbiotic Relationship:​

The force it would take to accelerate an 900-kg car at the rate of 6m/s2

Acamcorder has a power rating of 20 watts. if the output voltage from its battery is 9 volts, what current does it use?

The temperature in gavin's oven is a sinusoidal function of time. gavin sets his oven so that it has a maximum temperature of 280°f and a minimum temperature of 240°. once the temperature hits 280°, it takes 20 minutes before it is 280° again. gavin's cake needs to be in the oven for 30 minutes at temperatures at or above 270°. he puts the cake into the oven when it is at 260° and rising. how long will gavin need to leave the cake in the oven? (round your answer to the nearest minute.)