Two straight lines have equations y=px+4 and py=qx−7, where p and q are constants.

The two lines meet at the point (3,1).

What is the value of q?

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

Asquare and an equilateral triangle have the same perimeter. each side the triangle is 4 inches longer than each side of the square. what is the perimeter of the square

The volume of a box varies directly with its length if a box in the group has a length of 30inches and k=24 what is its volume