1. Which of the following is equivalent to (3x²y)(10x®y?)? (1) 30x"'y3
(3) 13x?y
(2) 30x’y4
(4) 13x"ºy3

What is the length of the unknown leg in the right triangle ?

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For the quadratic function [tex]y=(x+4)^2-1[/tex] , do the following: a) rewrite the function in the standard form, b) rewrite the function in intercept form, c) find the vertex, d) find the y-intercept, e) find the x-intercepts.