Will make brainliest when i can

in 2000, a box of dish detergent cost $2.29, then rose to $3.89 in 2010, while a pound of bananas cost 79 in 200
and rose to $.99 in 2010. calculate a cpi based on these two items.

a. 1.49
b. 1.899
c. 0.0556
d. 1067

Suppose y varies directly with x. write a direct variation equation that relates x and y. then find the value of y when x=12 y=7 when x=3

5. which description does not guarantee that a quadrilateral is a squar ajo is a parallelogram with perpendicular diagonals 0% has all sides congruent and all angles congruent o has all right angles and has all sides congruent 10% is both a rectangle and a rhombus 30%

Find y to the nearest hundreds place