John Beale of Stanford, California, recorded the speeds of cars driving past his house, where the speed
limit reads 20 mph. The mean of 100 readings was
23.84 mph, with a standard deviation of 3.56 mph. (He
actually recorded every car for a two-month period.
These are 100 representative readings.)
How many standard deviations from the mean would a
car going under the speed limit be?

8y^50

step-by-step explanation:

see below

step-by-step explanation:

x+2> 6

subtract 2 from each side

x+2-2 > 6-2

x > 4

there is an open circle at 4 since is it is greater than and the line goes to the right

3,6 and 7.

step-by-step explanation:

a) unit place of 37 is 7

so the unit place of cube of 37 will be

7³= 343=3

the answer is 3.

b) unit place of 56 is 6, so the unit place of cube of 56 will be

6³= 216=6

the answer is 6.

c) unit place of 133 is 3, so the unit place of cube of 133 will be

3³= 27= 7.

the answer is 7.

3 3 6, because in every triangle the longer side is always shorter than the sum of the other two