Which of the following is an example of the Associative Property? 7x + 12y = 12y + 7x

a + (b + c) = (a + b) + c

4z - 8 = - 8 + 4z

(x - 5)(x + 5) = x2 - 25

What is the point-slope form of the equation for the line with a slope of -2 that passes through (1,4)?

If your annual gross income is $62,000 and you have one monthly car payment of $335 and a monthly student loan payment of $225, what is the maximum house payment you can afford. consider a standard 28% front-end ratio and a 36% back-end ratio. also, to complete your calculation, the annual property tax will be $3,600 and the annual homeowner's premium will be $360.

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.