A. Your sweet new bicycle has 3 front sprockets and 7 rear sprockets. Each distinct combination of a front sprocket with a rear sprocket constitutes a different gear on a bicycle. How many gears does your bicycle have?b. Is it correct to say that a particular speed requires a particular front sprocket or a particular rear sprocket, or is it correct to say that a particular speed requires a particular front sprocket and a particular rear sprocket?

check the picture below.

well, the angle at the vertex d is clearly not a right-angle, let's check for the one at the vertex f which does look like,   however if it's indeed, that means ef is perpendicular to df, in which case their slopes will be negative reciprocal of each other.

so the negative reciprocal of the slope of ef is 1, however the slope of df is not 1, is 1/2, so nope, they're not perpendicular lines.

your question is incomplete, write all the numbers in the sequence that it tells you.  

step-by-step explanation:

answer: what statements

step-by-step explanation if you write the statements down then i could you.

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