The answer is 35 bc it has pointed on the dot
In order to subtract fractions, you need the denominators (bottom number) to be the same.

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Answer:
yes
Step-by-step explanation:
they are necessary
Answer:
Lauren's triangle is an isosceles triangle
Step-by-step explanation:
Given the sides of a triangle as 7mm, 9mm and 7mm.
From the given sees you will see that two of the sides are the same showing that the triangle is an isosceles triangle.
An isosceles triangle is a triangle that as two of its sides equal and since two of the sides are both 7mm, hence Lauren's triangle is an ISOSCELES TRIANGLE