Which equations show the associative property?
select each correct answer.
a. 0.75+(−1.25+(−0.33))=(0.75+(−1.25)) +(−0.33)
b. 2.16+(−6.7+(−9.23))=2.16+(−9.23+(−6 .7))
c. (−3.45+(−0.12))+(−5.8)=−(3.45+0.12) +(−5.8)
d. (−4.6+(−2.1))+3.1=−4.6+(−2.1+3.1)

Acircle has a radius of 5/6 units and is centered at (3.6, 7.8) write the equation of this circle

Twenty points. suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet

The diagram represents the polynomial 4x2 + 23x – 72. what is the factored form of 4x2 + 23x – 72? (4x + 8)(x – 9) (4x – 8)(x + 9) (4x + 9)(x – 8) (4x – 9)(x + 8)