Answer:
C. 25
Step-by-step explanation:
The applicable rule of exponents is ...
a^b = 1/a^-b
Matching this pattern to your expression, you see that ...
a = 5
b = 2
Then ...
1/5^-2 = 5^2 = 25
Answer:
√6 is irrational.
Step-by-step explanation:
The square roots of the others are rational
sqrt 0.16 = 0.4
sqrt 900 = 30
sqrt25 = 6.
Answer:
3:7
Step-by-step explanation:
18/6(largest factor)=3
42/6(largest factor)=7
Answer:
x = 12
Step-by-step explanation:
24 = 3x - 12 (opposite sides of a parallelogram are equal)
24 + 12 = 3x
36 = 3x
36/3 = x
12 = x
Answer:
is not
Step-by-step explanation:
