A student has 5 pennies, 4 nickels, 6 dimes, 2 quarters, and 1 dollar coin. What is the expected value of drawing a single coin out of your pocket?

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?

60 2(x + 2) in the diagram, gef and hef are congruent. what is the value of x?

You buy a veido game for $60 and the sales tax is 8% what is the total cost for the game including the sales tax