Which statement best describes the relationship between forces? (2 points)
magnetic and electrical forces are the most alike because they are both caused by positive and negative charges.
gravitational and magnetic forces are the most alike because they are both types of charges that occur in nature.
nuclear and magnetic forces are the most alike because they are both related to mass and weight.
strong nuclear force is most like electric because they are both related to distance.

Write an expression that has three terms and simplifies to 4x - 7. identify the coefficient(s) and constant(s) in your expression

Atemperature of 1.64◦f corresponds to answer in units of ◦c.

3.17 scores on stats final. below are final exam scores of 20 introductory statistics students. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 57, 66, 69, 71, 72, 73, 74, 77, 78, 78, 79, 79, 81, 81, 82, 83, 83, 88, 89, 94 (a) the mean score is 77.7 points. with a standard deviation of 8.44 points. use this information to determine if the scores approximately follow the 68-95-99.7% rule. (b) do these data appear to follow a normal distribution? explain your reasoning using the graphs provided below.