Sis the set of prime numbers that are less than 15.. a) 2,3,5,7,11,13. b)2,3,5,7,9,11,13. c)1,3,5,7,9,11,13. d)1,2,3,4,5,6,7,8,9,10,11,12,12,14, 15. for questions 4& 5 suppose u=1,2,3,4,5,6,7,8 a=1,3,5,7 b=4,5,6. tell whether each statement is true or false.. a subset b. true . false. b subset u . true . false

On #16 : explain how factoring a trinomial, ax^2+ bx+ c, when a does not equal 1 different from factoring a trinomial when a = 1.

The bolo cavern outside of vandalia is 421 ft below sea level. a little more than75 miles away. mt owens is 7295 feet above sea level. what is the difference in elevation between the bolo cavern and mt owens?

Statement reason 1. δabc is similar to δced. given 2. 3. definition of slope 4. slope of slope of definition of slope 5. slope of × slope of multiplying the slopes 6. slope of × slope of substitution property of equality 7. slope of × slope of simplifying the right side the table contains the proof of the relationship between the slopes of two perpendicular lines. what is the reason for statement 2? a. parallel line segments that meet a common perpendicular line are proportional in length. b. the lengths of vertical and horizontal sides in congruent triangles are in a common ratio. c. trigonometric identities determine the lengths of the legs in a right triangle. d. corresponding side lengths in similar triangles are proportional in length.