Simplify the expression.(-4z2)(5z3)
A. 2000z5
B. -20z5
C. 20z6
D. -20z6
Answer: B
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Find the x-intercepts for the parabola whose equation is given. If the x-intercepts are irrational, round your answers to the nearest tenth.y = 2x2 - 7x - 4
A. x-intercepts (4, 0) and (0.5, 0) B. x-intercepts (-1, 0) and (-2, 0) C. x-intercepts (4, 0) and (-0.5, 0) D. x-intercepts (-1, 0) and (2, 0)
Provide an appropriate response.In right triangle ABC, with right angle C, side a = 9, b = 12, and c = 15, find the sin A expressed as a fraction in lowest terms.
Fill in the blank(s) with the appropriate word(s).
Add and simplify. 
+ 
A. 
B. 
C. 
D. 
Write the function using function notation. Let x be the independent variable and y be the dependent variable. Use the letter f to name the function.y = 
A. f(x) = 2x
B. y = 
C. f(x) = 
D. f(x) = x