Which polynomial equation is a valid identity? A)
(6xy^2)^2 – (2xy)^2 = 4x^y^2(3x + 1)

B)
(6xy^2)^2 – (2xy)^2 = 4x^2y(3x + 1)(3y - 1)

C)
(6xy^2)^2 – (2xy)^2 = 4x^2y^2(3y + 1)(3y - 1)
D)
=
(6xy^2)^2 – (2xy)^2 = 12x^2y^2(3y + 1)(3y - 1)

Human body temperatures have a mean of 98.20° f and a standard deviation of 0.62°. sally's temperature can be described by z = 1.4. what is her temperature? round your answer to the nearest hundredth. 99.07°f 97.33°f 99.60°f 100.45°f

Merrida uses a pattern in the multiplication table below to find ratios that are equivalent to 7: 9. if merrida multiplies the first term, 7, by a factor of 6, what should she do to find the other term for the equivalent ratio? multiply 9 by 1. multiply 9 by 6. multiply 9 by 7. multiply 9 by 9.

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (–4, 0) and (6, 0). the y-intercept of the first parabola is (0, –12). the y-intercept of the second parabola is (0, –24). what is the positive difference between the a values for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth