Sandras coin purse contains 6 quarters 5 dimes 2 nickels and 3 pennies if sandra randomly pulls a coin from her coin purse what is the probability that she pulls a dime or a quarter

What is the perimeter of trapezoid jklm? + units 2 + + units 9 + units 9 + + units

He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean  and standard deviation  according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%

Which equation is true? i. 56 ÷ 4·7 = 82 ÷ (11 + 5) ii. (24 ÷ 8 + 2)3 = (42 + 9)2 neither i nor ii ii only i and ii i only