Suppose a sample consists of the following data values. What is the sample mean?
8,7, 5, 9, 4, 8, 7, 9, 9,5,7,6

If x + 10 = 70, what is x? a. 40 b. 50 c. 60 d. 70 e. 80

Acentral angle measuring 160 degrees intercepts an arc in a circle whose radius is 4. what is the length of the arc the circle formed by this central angle? round the length of the arc to the nearest hundredth of a unit. a) 4.19 units b) 6.28 units c) 12.57 units d) 12.57 square units

Deena is planting two rectangular gardens. one garden is 3.67 feet by 8.56 feet, and the other garden is 3.67 feet by 7.45 feet. which expression does not respresent the total area in square feet of the two gardens