A pizza restaurant had \( 1 / 2 \) of a gallon of pizza sauce left at the end of the evening and divided it equally among 5 pizzas. How much sauce did they put on each pizza? Write your answer as a fraction or as a whole or mixed number.

1) \( \sqrt{50}+\sqrt{72}-\sqrt{18}= \)

Find the coordinates of the point that divides the line segment between points Q(2, 3) and R(8, 7) in the ratio 1:3.

\( \begin{array}{ll}\text { 1. } \lim _{x \rightarrow-1} \frac{x^{2}-1}{x+1} & \text { Sol :-2 } \\ \text { 2. } \lim _{x \rightarrow 2} \frac{x-2}{x^{3}-8} & \text { Sol }: \frac{1}{12} \\ \text { 3. } \lim _{x \rightarrow 1} \frac{x^{2}-x}{x^{3}-1} & \text { Sol }: \frac{1}{3} \\ \text { 4. } \lim _{x \rightarrow 2} \frac{x^{4}-16}{x^{3}-8} & \text { Sol }: \frac{8}{3}\end{array} \)

Solve the radical equation. Check all proposed solutions. \[ \sqrt{3-2 x}=x \] Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. The solution set is \{\} . (Simplify your answer. Use a comma to separate answers as needed.) B. The solution set is the empty set.

Find an equation of the plane. the plane through the point (4, −3, 5) and perpendicular to the vector −i + 4j + 5k