Charlie runs at a speed of 3 yards per second about how many miles per hour does charlie run

Give the equations of two different lines that are perpendicular to the line 3x + 4y = 7.

How is this equation completed? i cannot find any examples in the book.

Sanderson is having trouble with his assignment. his shown work is as follows: − 3 7 7 3 = − 3 7 × 7 3 = − 21 21 = −1 however, his answer does not match the answer that his teacher gives him. complete the description of sanderson's mistake. find the correct answer.