Copland completes in 27 swimming events this season. He wins either first place or second place in each event. Copland has 3 more first place wins than second place wins. In how many events did he wins first place, and in how many did he win second place.

4.0 ft

step-by-step explanation:

4.0 ft

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.

300

step-by-step explanation:

28-600w < 300

28-600w > 300

600-28w < 300

600-28w > 300

the answer is 45 i just did it on oddesy ware