6x-20
because you do....2 times 3x.....wich equals 6x......
next you take 2 times 10 wich equals.....20......
so it is 6x-20
Answer:
j-15
Step-by-step explanation:
Minus means subtraction
j-15
Answer:
The mean is about 68 (67.5555)
Step-by-step explanation:
(63+64+66+66+67+68+69+71+74) / 9 ≈ 68
Hello
your answer is 13.5 Multiply 9*2 divide that by 3to get your answer