(5) On 3 tests, Rajos had scores of 70,72 , and 80 . What score must he get on the fourth test to raise his average test score by exactly 5 points? Calculator allowed.

Solve \( x^{2}+5=17 \) using square roots. Round your solutions to the nearest hundredth

Solve \( (x+2)^{2}=64 \) using square roots

14. Skriv \( \sqrt{a^{6}} \cdot \sqrt{a^{6}} \) som en potens med basen \( a \).

2. Resolver aplicando la propiedad distributiva a) \( 10 \cdot(3+8-6)= \) b) \( (6+8): 2+18 \cdot(3-1)= \) c) \( 4 \cdot(9-3)+5 \cdot(12-7)= \)

\( \left\{\begin{array}{l}y+1 x=-3 \\ 2 y \quad= \\ 2 y-6\end{array}\right. \) The system of equations above is a(n) Select an answer \( v \) system. There are Select an answer \( \quad \checkmark \) solutions to this system. If you were to plot both these equations on the same graph, Select an answer