YEAR 8 BASICS REVISION WORKSHEET 3
Cite the answers to the following questions in your exercise/activity books.
(5 marks)
Write True or False next to each statement.
a.
It is a chemical change when water freezes. True
b. Plants are living things. True
C.
Minerals like Nitrogen and Carbon flow into the ecosystem.
d.
There are three states of matter namely solid, liquid and gas
2.
Snakes are clafssified as mammals.​

Lilianna uses 3/4 calories per minute just by sitting. she uses 1 more calorie per minute by walking. lilianna uses a total of 12 1/4 calories walking to the park. lilianna uses the equation, d(.75+1)=12.25 to represent the situation. what does the variable d represent in the equation?

Someone answer asap for ! max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a. the median of max’s data is 250 b. more than half of the data points max recorded were 177 centimeters. c. a data point chosen at random is as likely to be above the mean as it is to be below the mean. d. every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.

The roots of the function f(x) = x2 – 2x – 3 are shown. what is the missing number?