Answer:
QR=6.4
Step-by-step explanation:
QR is equal to LM
7x-9=2x+2
add 9 on both sides
7x=2x+11
subtract 2x from both sides
5x=11
divide by 5
11/5=2.2
x=2.2
replace x with 2.2
2(2.2)+2
4.4+2
6.4
1. m=2x b=1 2. m=5/8x b= -1 3. m=7/8x b= -3/4 4. m=3/4x b=4
Answer
100 to 300
200 to 300
320 to 400
250 to 300
I hope this helps
