The seventh-grade class earned 40% of the selling price of each flower.

in september, they sold 900 flowers.
in october, they sold 700 flowers.

select a choice from each drop-down menu to make a true statement.

the seventh-grade class earned more money in september/october by $30/75/$190

answer:

where are the drop down menus

step-by-step explanation:

the probability that a bird is green (.30) is true

step-by-step explanation:

option (b) is correct

step-by-step explanation:

to find the solution of this system, we need to convert it into reduced row-echelon form. we have,

after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,