Since 2000, america and other nations have worked to improve which of the following environmental concerns?
a. the ozone and endangered species
c. ozone
b. global warming and the ozone
d. global warming

answer: this problem has only trivial solutions, with all points on the same line. x=5 or x=7/5.

step-by-step explanation:

there are three triangles, and three unknowns: x, y=length of middle segment, and z=cos(angles marked with red arc).

we need

and law of cosines,

the three equations are

see attached image for solution.

i beleive a. is the only possible answer

> la jirafa: the giraffe

> el loro: the parrot

> la tortuga: the turtle

> el cerdo: the pig

> la vaca: the cow

> la araña: the spider

> el tiburón: the shark

> la langosta: the lobster

hope that !

jcadsxjdas

explanation:

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