The temperature in Alaska is 17 degrees below zero. What numerical value (how would you write this in number form) represents the temperature in Alaska?

Ineed with number 17 i don’t get it at alll

The triangles are similar. what is the value of x? show your work.

Use the quadratic formula to solve the equation. if necessary, round to the nearest hundredth. x^2 - 23 = 10x a. -1.93, 11.93 b. 1.93, -11.93 c. 1.93, 11.93 d. -1.93, -11.93