What are the values of x in the equation 4x2 + 4x – 3 = 0? x = –1.5, 0.5 x = –0.5, –1.5 x = StartFraction negative 4 plus or minus StartRoot negative 32 EndRoot Over 8 EndFraction x = StartFraction negative 4 plus or minus StartRoot negative 64 EndRoot Over 8 EndFraction

(hurry! ) which expression is equivalent to the following complex fraction?

What is the rotational symmetry of a wheel

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?