Difference between normal of parallel planes and perpendicular planes

An amphitheater has 24 seats in the first row 26 in the second and 28 in the third if this goes on for 28 rows how many seats are there

Identify the outlier in the data set 6, 9, 3, 2, 10, 138, 13. Then, find the mean with and without the outlier. If necessary, round your answers to the nearest tenth. A.) Outlier = 6 Mean with outlier = 25.9 Mean without outlier = 40.4 B.

Special taxes may be placed on an estate. True False

you plan to practice playing guitar for 15 minutes on three weekdays and 20 minutes each on Saturday and sunday. evaluate the expression 15*3+20*2 to find the number of minutes you will practice during the entire week

At the start of his diet, Kerrin weighed 14 stone 8 pounds. Three months later he weighed 13 stone 6 pounds. There are 14 pounds in a stone. Calculate the reduction in Kerrin's weight as a percentage of his initial weight, correct to 1 d. p.

Ms Cooke bought 9/10 of a cake. She ate 2/5 of her cake. How much cake left.

The average of 4 number is 85. if three of the numbers are 76, 78, and 81 what is the fourth number.

Aiden and Ryan are collecting clothes for a shelter. Ryan collected 1/4 as many clothes as Aiden did. If Aiden collected 12 bags of clothes, which expression below could you use to find out how many bags of clothes Ryan collected? a. 12 : 1/4 b.

29, 19, and 29 triangle as acute, right, or obtuse.

Dean ran 1 2/5 miles. Sheila ran three times as far as Dean. How far did Sheila run?