9:4 as unit ratio
A number is greater than or equal to -3and less than or equal to 0

Step-by-step explanation:

Solving (1):

Express as a unit ratio

This implies that, the second term must be 1. So, divide by 4

Solving (2):

Let the number be x.

x or equal to -3 means:

x or equal to 0 means:

So, we have:

and

Rewrite as:

and

Write together:

70

step-by-step explanation:

2*5=10

4*15=60

60+10=

70

answer: c

because if you look at the chart you can see a pattern and compare it to the question he simplify out your

but i think the formula is f(x)=6x