The top one, hope this is right :)
There are no values of X that make the equation true therefore there is no solution
Answer:
40
Step-by-step explanation:
A heart, square, triangle, rectangle, diamond, basically most shapes...
About 68% of the people will score between 85 and 115.
The values of 85 and 115 are exactly 15 points away, or 1 standard deviation, away from the mean.
According to the empirical rule, about 68% of the values in a normal distribution are within 1 standard deviation of the mean.
