Answer:
0, one solution
Step-by-step explanation:
An altitude is a line which passes through a vertex of a triangle, and is at right angles to the opposite side. A triangle has three altitudes.
Answer:
The co variance of the midterm and final exam scores is 58.76.
Step-by-step explanation:
The formula to compute the sample co variance is:

The values are computed in the table below.
Compute the co variance as follows:

Thus, the co variance of the midterm and final exam scores is 58.76.
Answer:
30
Step-by-step explanation:
30 dived by 5 is 6 then 6 times 5 is 30
The prime numbers between 40 and 50 are:
41
43
47