According to the rules of tennis, a tennis ball is supposed to weigh between 56.9 grams and 58 grams. A machine for manufacturing tennis balls produces balls with a mean of 57.4 grams and a standard deviation of 0.2 grams, when it is operating correctly, suppose that the distribution of weights is normal. If the machine is operating properly, what is the probability that a ball manufactured with this machine satisfies the regulation

a negative exponent is translated as follows:

so, we have

x=6 and x=3

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the answer is b. 60. each interior angle in 120, so the exterior angle must be 60 in order to add up to 180

step-by-step explanation:

there are 25 people coming to the party

step-by-step explanation:

the text says that there will be 22 children at this party, 1 teacher, and 2 parents. so if you add them all together (22+1+2) it will equal 25. (=25)