The Math Club bought 16 graphing calculators for $765. The TI-70 model costs $40 and the TT-83 costs $65. How many TI-83 calculators were purchased?

The multiplicative property of equality states that for real numbers a, b, c, and d, if a = b and c = d, then ac = bd. true false

What is the domain of the given function? {(3,-2), (6, 1), (-1, 4), (5,9), (-4, 0); o {x | x= -4,-1, 3, 5, 6} o {yl y = -2,0, 1,4,9} o {x|x = -4,-2, -1,0, 1, 3, 4, 5, 6, 9} o y y = 4,-2, -1, 0, 1, 3, 4, 5, 6, 9}

What are linear equations? could'ya explain too me, ? ! and how do you see what graph is a proportional relationship?