24. Except for rounding errors, relative frequencies should add up to what sum? a. 0
b. 1
c. 50
D.100

1. d.90

2. e. none of these (80)

3. a. 0

4. b. 6

5. e. none of these (10)

6. a. 5

8+10

step-by-step explanation:

you multiply 4 by 2 and 5 by 2

but which class are u may know that first

this linear equation would have just one solution.

step-by-step explanation:

the reason why this would have one solution is that it is an expression with just one variable. since that variable is not raised to a power, it will always have just one solution.