15 square feet because 1.25*3=3.75
3.75*4 = 15
Answer:
Think about it
Step-by-step explanation:
If you made $20 in 2 hrs you made $10 per hour
To find out how much you make per certain number of hrs multiply $10 by the number of hours
The equation is y = 10x + 0 <-- this is also answer to number 4
10x is the constant of proportionality I think.
Answer:
D
Step-by-step explanation:
-9x-9=18
plus 9 on both sides
-9x=-9
divide both sides by -9
x=1
Answer:
The true mean is actually 420 \text{ ppm}420 ppm420, start text, space, p, p, m, end text, and he uses a sample size of n =50n=50n, equals, 50.
Step-by-step explanation:
khan