The side of a square is two raised to the seven halves power inches. using the area formula a = s2, determine the area of the square. (5 points) a = 196 square inches a = 128 square inches a = 49 square inches a = 4 square inches 2. (04.01 lc) evaluate fourth root of 9 multiplied by square root of 9 over the fourth root of 9 to the power of 5 . (5 points) 9 to the power of negative 1 over 2 9 to the power of negative 1 over 4 9 92 3. (04.02 mc) what is the exact value for the expression the square root of 52− the square root of 13 + the square root of 117 ? simplify if possible. (5 points) 4 the square root of 13 the square root of 13 2 the square root of 39 8 the square root of 39 4. (04.02 mc) what is the product of seven square root eight times four square root five ? simplify your answer. (5 points) twenty eight radical ten fifty six radical two fifty six radical ten two hundred eighty radical four 5. (04.03 lc) which of the followi

Acell phone company offers two plans to its subscribers. at the time new subscribers sign up, they are asked to provide some demographic information. the mean yearly income for a sample of 40 subscribers to plan a is $45,000 with a standard deviation of $9,200. for a sample of 25 subscribers to plan b, the mean income is $64,300 with a standard deviation of $7,100. at the 0.025 significance level, is it reasonable to conclude the mean income of those selecting plan b is larger? assume unequal population standard deviations. hint: for the calculations, assume the plan a as the first sample. what is the decision rule? (negative amount should be indicated by a minus sign. round your answer to 3 decimal places.) compute the value of the test statistic. (negative amount should be indicated by a minus sign. round your answer to 2 decimal places.) what is your decision regarding h0 ? reject h0 fail to reject h0 compute the p-value. less than 0.01 between 0.01 and 0.025 between 0.025 and 0.05 between 0.05 and 0.10 greater than 0.10