Answer:
Step-by-step explanation:
just replace x into the equation to see if y match with the table.
Answer:
ratio is line from center to end of the circle
Step-by-step explanation:
E^x is not zero for any finite value of x.
The number of values for which e^x is zero is zero.
Mean = total score : frequency
mean x frequency = total score
so
83 = total score : 6
83 × 6 = total score
498 = total score
so the sum of the 6 test scores is 498