Answer:
20 miles away
Step-by-step explanation:
40*2 = 80
30*2=60
80-60=20
Answer:
113.1
Step-by-step explanation:

This is the formula you have to follow, finding the volume of objects is hard without the formula and it's just something you'll have to memorize. BUt just remember to plug in the radius which is 3 in this problem, into the volume formula: 
Answer:176.6cm2
Step-by-step explanation:
Pi*r^2
diameter is 15
divide by 2 is radius
Answer:
A square pyramid has five faces: four triangle faces and one square face.
Step-by-step explanation:
Answer:
-5/10 equals to 5/-10 because even though the numerator/denominator is negative, when you simplify -5/10 or 5/-10, it give you -1/2 and 1/-2.
Step-by-step explanation: