19. Какое из следующих утверждений верно? 1) Любой квадрат является прямоугольником. 2) Сумма углов любого треугольника равна \( 360^{\circ} \). 3) Любые две прямые имеют одну общую точку. В ответе запиши номер выбранного утверждения без пробелов, запятых и других дополнительных символов.

1. Найдите координаты вектора \( \overrightarrow{K P} \), если известны координаты точек \( \mathrm{K}(-3 ; 7), \mathrm{P}(2 ; 4) \)

is it at 1530 hours? Jack drives north at \( 80 \mathrm{~km} / \mathrm{h} \) for 2 hours. He then turns and drives east at the same speed for 3 hours. (a) To the nearest degree, what is Jack's true bearing from his original position? (b) If Jack could drive from his current position straight back to his starting position: (i) how far would he travel, to the nearest kilometre (ii) what true bearing should he follow?

The diameter of a circle measures 20 ft. What is the circumference of the circle?Use 3.14 for π, and do not round your answer. Be sure to include the correct unit in your answer.

A wire of length \( 7 x \) is bent into the shape of a circle. A. Express the circumference of the circle as a function of \( x \). B. Express the area of the circle as a function of \( x \). A. \( C(x)=\square \)

2) Dato un punto \( P(-2 ;-1) \) e una rette II \( y=2 x-3 \) deterninare retto per il punto \( P \) ! Fare grefico