A photograph is 4 inches wide and 6 inches long. The photograph is enlarged, and the enlargement is proportional to the original photograph. If the enlargement has a width
of 12 inches, what is the length of the enlargement?
20 inches
12 inches
18 inches
14 inches

How many sides does a regular polygon have if each exterior angle measures 72a.3b.4c.5d.6

Which compound inequality can be used to solve the inequality 3x+2 > 7? -7 < 3x+2> 7 -7> 3x+27 3x + 2 > -7 or 3x + 2 > 7 3x + 2 < -7 or 3x + 2 > 7

Mr and mrs smith buy tickets for themselves and their four children. the cost of an adult ticket is ? 6 more than the adult ticket. the total cost of the six tickets is ? 40.50 work out the cost of an adult ticket. in your working let c be the cost of the child ticket and a be the cost of the adult ticket.