Answer:
12 years younger.
Step-by-step explanation:
Let Jan's age be J and Karyn's age be K.
Jan's age 8 years ago is 2/5 of Karyn's age 4 yeaRs from now.
=>
=> 4K = 48 X 3
=> K= 36.
=> J= 24.
So Jan is 12 years younger.
This is how the first one would be done. sorry if it’s a little messy the answer is 9. but try using photomath for the rest. it gives you the answer and explains how to do it
Answer: 423
Step-by-step explanation:
Answer:
um....
1. 4
2. 3
3. 5
4. 8
Hope this helps.
Step-by-step explanation:
as you already know, we start off by doing a quick switcheroo on the variables, and then we solve for y to get the inverse,
and if you run a vertical line test on that expression, you'll find that it doesn't pass it, meaning is not a function.