Answer:
Yes
Step-by-step explanation:
An integer is a whole number so if x is positive and y is negative then the equation would just be x plus negative y. But x+-y is an odd equation so the simplified version is x-y so it is a rational number, since a rational number is a number that can be rewritten as a simple fraction.
Answer:
18
Step-by-step explanation:
2x9=18
Answ x=59
Step-by-step explanation:
Answer:
Lee's flight would take 3.5 hours.
Step-by-step explanation:
1400 ÷ 400 = 3.5
8800
Since the number in the tens place is 5, the number in the hundreds place goes up.
0-4 rounds down 5-9 rounds up