The answer to your question is 7.59 so shes right
Answer:
![\boxed {-243}\\](https://tex.z-dn.net/?f=%5Cboxed%20%7B-243%7D%5C%5C)
Step-by-step explanation:
![\begin{array}{rclr}(-3)^{-5} & = & \dfrac{1}{x}& &\\(-3)^{5} & = & x &\text{Inverted each side of the equation}\\x & = & \boxed {\textbf{{-243}}}\\\end{array}](https://tex.z-dn.net/?f=%5Cbegin%7Barray%7D%7Brclr%7D%28-3%29%5E%7B-5%7D%20%26%20%3D%20%26%20%5Cdfrac%7B1%7D%7Bx%7D%26%20%26%5C%5C%28-3%29%5E%7B5%7D%20%26%20%3D%20%26%20x%20%26%5Ctext%7BInverted%20each%20side%20of%20the%20equation%7D%5C%5Cx%20%26%20%3D%20%26%20%5Cboxed%20%7B%5Ctextbf%7B%7B-243%7D%7D%7D%5C%5C%5Cend%7Barray%7D)
Answer:
9x2, 6x3, 1x18
Step-by-step explanation:
9x2=18
6x3=18
1x18=18
Length:12 cm
Width: 7 cm
My work is shown in the picture. I hope this helps!
C) 13
The y value adds one by every x; therefore 4 would be 13.