Which describes a correct way to construct a scatterplot?
When analyzing the number of home runs that a baseball player hit over several seasons, the season is the independent variable.
When analyzing the number of umbrellas that are sold during days with varying amounts of rain, the number of umbrellas that are sold is the independent variable.
When analyzing the number of registered voters by age, age is the dependent variable.
When analyzing the number of students that ride the school bus each day of the week, the day is the dependent variable.

It is A

Step-by-step explanation:

When analyzing the number of home runs that a baseball player hit over several seasons, the season is the independent variable.

Step-by-step explanation:

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proofs involving isosceles triangles often require special consideration because an isosceles triangle has several distinct properties that do not apply to normal triangles.(more about triangle types) therefore, when you are trying to prove that two triangles are congruent, and one or both triangles, are isosceles you have a few theorems that you can use to make your life easier.

step-by-step explanation:

an isosceles triangle has two congruent sides and two congruent angles. the congruent angles are called the base angles and the other angle is known as the vertex angle. ∠bac and ∠bca are the base angles of the triangle picture on the left. the vertex angle is ∠abc