1. Which of these sets of measurements represents the lengths of the sides of a right triangle? A. 9ft, 12ft, 15ft

B. 5m, 12m, 30m

C. 12cm, 18cm, 30cm

D. 2yd, 3yd, 4yd

2. Which of these sets of measurements represents the lengths of the sides of a right triangle?

A. 7ft, 8ft, 9ft

B. 6m, 8m, 10m

C. 9cm, 9cm, 12cm

D. 12yd, 14yd, 16yd

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?

25 ! the line of best fit is h = 5a + 86. predict the height at age 16. show your work.

The graph of y x3 is translated so that the point (1. 1) is moved to (1, 4). what is the equation of the new graph?