2/9 of the students in a school are in sixth grade. Which expression represents the number of sixth graders if the school has x students?

the discriminant is 64 + 4*1*12 = 112

this is prime.

step-by-step explanation:

d) 30 units^2

area of rectangle = l × b

we know,

length = 10 unit

breadth = 3 unit

applying the formula,

= l × b

= 10 × 3

= 30 unit^2

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irrational, cannot