3. If the length of a rectangle is represented by x+8 and its width is represented by 2x+3 then its area could be expressed as which of the following polynomials?
(1) 2.x² + 24
(3) 2x² +19x+24
(2) 2x+11
(4) 2x² +1 1x+16

Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50. write an inequality to determine the number of chores, c, janie could do to have enough money to buy the cd.

Does the point (1, sqrt 7) lie on circle shown.

The areas of two similar triangles are 72dm2 and 50dm2. the sum of their perimeters is 226dm. what is the perimeter of each of these triangles?