Next part of it.​

1)16cm^2

2)

3)

4)675cm^2

Step-by-step explanation: I think you might've got some of the other one's wrong

1.16

2. 21

3. 252

4. 675

just directly substitute the givens to the formula.

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.

rotation point l

step-by-step explanation: