Which best describes how to add 9.73 and 21.6?
a. align the digits on the left digit.
add from left to right, regrouping as necessary.
b. align the digits on the right digit.
add from right to left, regrouping as necessary.
c. align the digits on the decimal point.
add from left to right, regrouping as necessary.
d. align the digits on the decimal point.
add from right to left, regrouping as necessary.

When 142 is added to a number the result is 64 more times the number my options are 35 37 39 41

If w = 6 units, x = 3 units, and y = 5 units, what is the surface area of the figure? 168 units2 240 units2 144 units2 96 units2

Arecent study focused on the number of times men and women who live alone buy take-out dinner in a month. assume that the distributions follow the normal probability distribution and the population standard deviations are equal. the information is summarized below. statistic men women sample mean 24.85 21.33 sample standard deviation 5.54 4.93 sample size 34 36 at the 0.01 significance level, is there a difference in the mean number of times men and women order take-out dinners in a month? state the decision rule for 0.01 significance level: h0: μmen= μwomen h1: μmen ≠ μwomen. (negative amounts should be indicated by a minus sign. round your answers to 3 decimal places.) compute the value of the test statistic. (round your answer to 3 decimal places.) what is your decision regarding the null hypothesis? what is the p-value? (round your answer to 3 decimal places.)