**Answer:**

100 marks

**Step-by-step explanation:**

is the number of minutes a student was allowed to spend on the exam

is the students score out of 100

The slope of the regression line is

The intercept is

The equation of the regression line is

If

**We would expect a score of 100 as the test has a total score of 100 marks.**

Answer:

H0: mu = 5

Ha: mu > 5

Step-by-step explanation:

A null hypothesis is a statement from a population parameter which is either rejected or accepted (fail to reject) upon testing.

It is expressed using the equality sign.

An alternate hypothesis is also a statement from a population parameter which negates the null hypothesis and is accepted if the null hypothesis is rejected.

It is expressed using any of the inequality signs.

**Answer:**

**Step-by-step explanation:**

4cm

N-8+3

Hope this helps if you were trying to put it into an expression!

**Answer:**

B. because there are too many side lengths to be a triangle