(3x + 1) (2x + 7)
Factored by grouping
Answer:
128.6
Step-by-step explanation:
I just did the math
Millions. Btw if there's 2 commas and 1 digit before the first comma it's million
Answer:

Step-by-step explanation:

Add 20 to both sides:

Multiply 8 on both sides:


Divide by 13 on both sides:

Answer:
Step-by-step explanation:
pythagorean theorem. a^2+b^2=c^2
1.5^2+b^2=6^2
2.25+b^2=12
12-2.25=b^2
b^2=9.75
take the square root
b=3.12