Help please I don't understand this I've read over it a couple times and still don't get it

45 C

Step-by-step explanation:

7x5=45

Hope this helps!

The answer is -21 degrees celcius. Because ground level is 14 degrees c and every time the level goes up 1 kilometer the tempurture goes down by 7 degrees c. Hope this makes sense now :)

b. 1.25 hr

step-by-step explanation:

if you have a constant speed of 60 mph, then you have a ratio between 60 mi. to 1 hr. dividing both sides by 60 we get the ratio

1 mi. to

then mult. both sides by 75 we get the ratio

75 mi. to

simplifying we get

75 mi. to

or 1.25 hr.

it would be a on edgenuit y

the diagram below is your final answer