The highest ever recorded temperature on earth was 136°F in the US and the lowest was − ° 129 F in Antarctica. What is the difference of these temperatures recorded on Earth?

their only 7 degrees apart from each other

Step-by-step explanation:

go to the hottest place on Earth and then the coldest place

265 degrees apart

Step-by-step explanation:

they are 265 degrees apart because there is positive and negative numbers.

that means if you get a numberline 136 is 136 away from 0 to the right and -129 is 129 from 0 to the left. they are 265 apart.

70

step-by-step explanation:

2*5=10

4*15=60

60+10=

70

walter needs to make at least 5 more cookies but no more than 40. 5 ≤ x ≤ 40

step-by-step explanation:

20 ≤ x + 15 ≤ 55

subtract 15 from all parts

20-15 ≤ x + 15-15 ≤ 55-15

5 ≤ x ≤ 40

this means how many more cookies he has to make

walter needs to make at least 5 more cookies, but no more than 40 cookies; 5 ≤ x ≤ 40