Integrate by the first method or state why it does not apply and use the second method. Show the details. â«sec²z dz, any path from Ï/4 to Ïi/4

Find the domain and range of the following function f(x) = 51x - 21+ 4

Set $r$ is a set of rectangles such that (1) only the grid points shown here are used as vertices, (2) all sides are vertical or horizontal and (3) no two rectangles in the set are congruent. if $r$ contains the maximum possible number of rectangles given these conditions, what fraction of the rectangles in set $r$ are squares? express your answer as a common fraction.

Divide. –4.2 ÷ 6 = a –0.7 b 0.7 c –7 d 7 me