The left hand tail of the standard normal curve can be defined as the part that lies at least 2 standard deviations to the left of the mean. according to the empirical rule, approximately what percentage of the area is under the whole curve is the left hand tail. a. 0.1% b. 16% c. 2.5% d. 5%

93.8

step-by-step explanation:

lets say, first number = x

second number = 3x+7

total = 49

(x)+(3x+7)= 49

4x+7 = 49

4x = 42

x = 42/4

x= 10.5

x= 10.5

3x+7 = 3(10.5)+7 = 93.8

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if farmer matt works for 8 hours a day, how many days will it take him to completely plant 12 rows of crops? each batch of cookies needs 3/4 cups of sugar.

step-by-step explanation: