A bicycle is originally priced at \( \$ 80 \). The store owner gives a discount and the bicycle is now priced at \$60. Enter the discount percent for the cost of the bicycle.

3) \( 2 \frac{11}{14}=\frac{1}{2} x+1 \frac{1}{2}-x \)

14 Numeric 1 notni Samuel babysits for 5 hours and earns \( 464: 25 \). How much money does Samuel earn per hour liype your answer...

Find the inverse of the matrix below. \[ \left[\begin{array}{cc}20 & 2 \\ -40 & -3\end{array}\right] \] \( [[?] \) necessary, round to the nearest hundredth.

Rotate the vector \( \langle 3,-2\rangle 90^{\circ} \) clockwise about the origin. \[ \langle-2,[?]\rangle \]

c. \( (2 x-4)(3 x-5) \)