Answer:
A; ?; Line 3
Step-by-step explanation:
Question 1:
-30 divided by -6 is 5.
The negatives cancel each other out.
And 30 divided by 6 is simply 5.
Question 2:

Do the operation inside the parenthesis first:

Divide. 12 does not go into 62 evenly. 12 times 5 is 60, so the answer is 5 remainder 2:

Or in fractions:

(Was there a typo? From what you've given me, the correct answer is not listed.)
Question 3:
So we have to following steps:

The mistake is in Line 3. Danny cannot just combine 5+6(2) into 11(2). Instead, he should multiply 6(2) and then add. Thus, the correct solution is:

Answer: x=3
work: x+9=12
x=12-9
x=3
Answer:
It will take 3hrs for the second ship to catch up with the first ship.
Step-by-step explanation:
Answer: solve the expression by applying BODMAS, then multiply 8 by 2
Step-by-step explanation:
The first operation is to apply BODMAS, then solve the expression in the bracket
3,500÷(34+8×2)−4
3,500÷ (34 + 10) -4
3500 ÷ 44 - 4
3500 ÷ 40
87.5
I hope this helps.
Answer:
13 and 32
Step-by-step explanation:
let one number be x
Then the other number is x + 19 , then
x + x + 19 = 45
2x + 19 = 45 ( subtract 19 from both sides )
2x = 26 ( divide both sides by 2 )
x = 13
The 2 numbers are 13 and 13 + 19 = 32