1 히스토그램에서 각 계급에 해당하는 직사각형 의 넓이의 합과 도수분포다각형으로 둘러싸인 히스토그램에 대한 다음 설명 중 옳지 않은 것을 모두 골라라. (1) 가로축에는 계급을 써넣는다. (2) 세로축에는 도수를 써넣는다. (3) 도수분포표보다 자료의 분포 상태를 쉽게 잘 알 수 있다.

1. गुणनखंड क (i) \( a^{2}- \) (iv) \( 9 a^{2} \) (vii) 25 (a 2. गणनखंड की

14 Kumar had as many stickers as Moiling at first. After Moiling gave away 180 of her stickers, Kumer had 5 times as many stickers as Meiling. (a) How many stickers did Kumar have?

Divide \[ \frac{6 p^{6}+15 p^{5}}{3 p} \]

Considering the passage about crude oil, whiy is distillation the main process lor separatitig the contents of crude oil? Crude oil is a homogeneous mixiure. Crude oil is a helerogeneuus mixture A major byproduct ol crude oil is gastline. Domina

For what values of \( x \) is \( y=-7-|x| \) increasing? decreasing? a increasing: not increasing on any interval; decreasing: \( (-7, \infty) \) o increasing: \( (0, \infty) \); decreasing: \( (-\infty, 0) \) o increasing: \( (-7, \infty) \); decreasing: not decreasing on any interval d increasing: \( (-\infty, 0) \); decreasing: \( (0, \infty) \)