7. Mrs. Hagan measured the height, in inches, of all the girls in her PE class. She recorded her
results in the following list.
50, 60, 67, 62, 58, 63, 68, 59, 62, 65, 56, 63, 59, 62, 58, 74
Find:
i. Q1
ii. Q3
iii. Between what heights are the middle 50% of the girls in Mrs. Hagan's PE class?
iv. Lower Fence
v. Upper fence
vi. Outliers
please help

Demonstrate the proof of your new polynomial identity through an algebraic proof and a numerical proof in an engaging way! make it so the whole world wants to purchase your polynomial identity and can't imagine living without it! you must: label and display your new polynomial identity prove that it is true through an algebraic proof, identifying each step demonstrate that your polynomial identity works on numerical relationships create your own using the columns below. see what happens when different binomials or trinomials are combined. square one factor from column a and add it to one factor from column b to develop your own identity. column a column b (x − y) (x2 + 2xy + y2) (x + y) (x2 − 2xy + y2) (y + x) (ax + b) (y − x) (cy + d)

An advertising firm has an old computer that can prepare a whole mailing in 6 hours. with the of newer model the job is complete in 2 hours. how long would it take the newer model to do the job alone?

Question: what is the value of x 4x-2= (-7) +5x. it would be greatly appreciated if someone could actually explain to me step by step