Which equation has the correct sign of the product? A. 27(-5) = -135
B. 22 x 4 = 88
C.(-61)(3) = 183
D. (-4)(-4) = -16

Anormally distributed data set has a mean of 176.3 and a standard deviation of 4.2. what is the approximate z-score for the data value of 167.9? 2.00 −2.00 8.4 −8.4

The width of a rectangle is 20 units. can the perimeter p of the rectangle be 64 units when its length x is 11 units? no, because p = 2x + 2(20) no, because p ≠ 2x + 2(20) yes, because p ≠ 2x + 2(20) yes, because p = 2x + 2(20)

0if x and y vary inversely and y=6 as x=7, what is the constant of variation?