Answer:
1, 2 and 5
Step-by-step explanation:
We can think of this as a right triangle, where the given lengths are the legs.
So, we can solve using the Pythagorean Theorem.
21² + 28² = c²
441 + 784 = c²
1225 = c²
35 = c
35 miles
Answer:
$20 because 2x4=8 3x4=12 12+8=20
Step-by-step explanation:
For this case we must find the product of two mixed numbers:

So, we have:

If we go to a mixed number we have:

Answer:

Answer:
31°
Step-by-step explanation:
3x + 10 = 5x - 4 ... - 3x and +4 both side
14 = 2x
x = 7
angle 1 and angle 2: 5 x 7 - 4 = 31°
check: 3 x 7 + 10 = 31°