What is the value of the 1st quartile in the data set below ?
scores on a math quiz: 65, 90, 100, 72, 88, 55, 73

How do you find the area of a triangle

Find the value of x. give reasons to justify your solutions! l, m ∈ kn

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.