Which properties are used to simplify -2/9+(2/9+2/3)-7/4+7/4 as 2/3 without first finding a common denominator? select all the apply. A)Commutative Property of Multiplication
B)Commutative Property of Addition
C)Associative Property of Addition
D)Multiplicative Inverse Property
E)Additive Inverse Property
F)Additive Identity Property

The average number of vehicles waiting in line to enter a parking lot can be modeled by the function f left parenthesis x right x squared over 2 left parenthesis 1 minus x right parenthesis endfraction , where x is a number between 0 and 1 known as the traffic intensity. find the rate of change of the number of vehicles waiting with respect to the traffic intensity for the intensities (a) xequals0.3 and (b) xequals0.6.

Pyotr tchaikovsky sporting goods operates on a 45% overhead based on the selling price, which results in an overhead of $65.34 on the newest version of an air hockey game set. if the air hockey game set costs pyotr tchaikovsky sports $49.32, find the selling price, the markup, and the net profit.

In angle pqr find the measure of