How to better my logic skills?

A poll asks shoppers at the mall how many cups of water they typically drink in a day. The results of the poll are listed below. 3, 5, 5, 6, 6, 6, 7, 7, 8, 8, 8, 8, 8, 8, 9, 9, 10, 10, 10, 10, 11 What is value of the first quartile?

What is the range of the function f (x) = - 2 (6x) + 3? (negative infinity, negative 2 Right-bracket (negative infinity, 3) Left-bracket negative 2, infinity) Left-bracket 3, infinity)

Name each term of the polynomial: -9x^4 + y^3 - 7y+19

What is the value of the summation ∑i=14 (2i+6i2)

Aiden has $15.00 on his copy card. Each time he uses the card to make a photocopy $0.06 is deducted from his card. Aiden wants to be sure that there will be at least $5.00 left on his card when he is finished.

What is the answer too this (3x+3) (x+4)

If i hace 2 f's and i am homeschooled will i get held back and repeat the 7th grade?

6*10^-2 is how many times as 2•10-8

If 5 potatoes together have a mass of 1 kilogram and 8 pears together have a mass is 1,200 grams, which has the greater mass, a potatoe or a pear? Explain.

Minor's driver license requirements includes your parent (s) or guardian (s) signature (s) on your instruction permit stating that you have completed 50 hours of supervised driving practice with 10 hours of driving at night.