In a survey sample of 83 respondents, the mean number of hours worked per week is 39.04, with a standard deviation of 11.51. The sample size is 83. Estimate the value of the standard error.

Julie keeps rabbits and hamsters as pets she has four rabbits and an odd number of hamsters she has more hamsters than rabbits the total number of pets she has is less than ten how many hamsters does Julie have?

1. Jake and Yolanda are standing 300 yards apart. Jake spots an airplane and estimates the angle of elevation to be 30 degrees. Yolanda sees the same airplane and estimate the angle of elevation to be about 50 degrees.

What is the answer to 7x + 4x = 20 + 13

Inside the container there is empty space not taken up by the volleyball. What is the volume of that empty space? Use 3.14 for π and round the answer to the nearest cubic inch. 3,067 in. 3 4,599 in. 3 13,797 in. 3 22,995 in. 3

What does power mean in math

On a map 1 inch equals 18.4 miles. If two cities are 4.5 inches apart on the map, how far are they actually apart?

What is 66 tens-30 tens

A measuring cup holds 250 mL. How many times must the measuring cup be filled to measure 1 L of water?

What is y in the equation 14-6y=44

The period T (in seconds) of a pendulum is given by T=2/pi / sqrt ((L) / (32)), where L stands for the length (in feet) of the pendulum. If / pi = 3.14, and the period is 1.57 seconds, what is the length?