Answer:
total 1 hour 15 mins
Step-by-step explanation:
3:45 - 5:00
lets count one by one
3:45 - 4:00 = 15 mins
4:00 - 5:00 = 1 hour
total 1 hour 15 mins
First add 5 to right side

Next , to cancel the 7, you need to multiply by 7 on both sides
Answer: 4:20 but that simplified would be 1:5
Triangles to squares
Answer: So what's the question???
Step-by-step explanation:
(42 - 14sqrt2)/5 because rationalizing means getting the root out of the denominator, which is done by multiplying the denominator by a negative or positive root depending on the situation