Macy’s is having their family and friends’ sale. They are having 60% off everything. Janyla says that she can find the sale price of an item that has a regular price of p by evaluating the
expression 0.40p. Nalia says that she can find the sale price for the same item by evaluating the
expression p – 0.60p. Who is correct? (Hint: Substitute a value for p. Use the same number for
both expressions to see if you get the same answer.

Lems1. the following data set represents the scores on intelligence quotient(iq) examinations of 40 sixth-grade students at a particular school: 114, 122, 103, 118, 99, 105, 134, 125, 117, 106, 109, 104, 111, 127,133, 111, 117, 103, 120, 98, 100, 130, 141, 119, 128, 106, 109, 115,113, 121, 100, 130, 125, 117, 119, 113, 104, 108, 110, 102(a) present this data set in a frequency histogram.(b) which class interval contains the greatest number of data values? (c) is there a roughly equal number of data in each class interval? (d) does the histogram appear to be approximately symmetric? if so,about which interval is it approximately symmetric?

Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50.

Perry observes the opposite parallel walls of a room in how many lines do the plains containing the walls intersect