Answer: 21
Step-by-step explanation: 12 in 4 minutes means every minute 3 marshmallows are roasted, 4x3=12, so add three more minutes and you get 21. 7x3=21
The equation of a direct variation is of the form

But the given function can be rewritten as

This is a partial variation,

is the constant of variation and

is the fixed constant.
Answer:

Step-by-step explanation:
Step 1: Simplify both sides of the inequality.
Step 2: Add 3x to both sides.
Step 3: Add 4 to both sides.
Step 4: Divide both sides by 7.
Answer:
d
Step-by-step explanation:
i hope im right but i dont trust myself
Answer:
negative correlation.
Step-by-step explanation:
Spending more time on social media means that you'll spend less time on homework.