Lily plots out a graph which shows the number of days her classmates have been absent and their final percent grade in Algebra class. Percent Score vs. Days Absent 100 <> 90 80 70 60 50 • Percent Score 40 30 20 10 10 12 Which of the following is a true statement regarding the results of her scatterplot? There is a positive correlation between percent score and days absent. There is a negative correlation between percent score and days absent. There is no relationship between percent score and days absent. The best fit line through the data points would have a positive slope. A. B. С. D.
Unitary Method
The word “unitary” comes from the word “unit”, which means a single and complete entity. In this method, we find the value of a unit product from the given number of products, and then we solve for the other number of products.
Speed, Time, and Distance
Imagine you and 3 of your friends are planning to go to the playground at 6 in the evening. Your house is one mile away from the playground and one of your friends named Jim must start at 5 pm to reach the playground by walk. The other two friends are 3 miles away.
Profit and Loss
The amount earned or lost on the sale of one or more items is referred to as the profit or loss on that item.
Units and Measurements
Measurements and comparisons are the foundation of science and engineering. We, therefore, need rules that tell us how things are measured and compared. For these measurements and comparisons, we perform certain experiments, and we will need the experiments to set up the devices.
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