Answer:
Step-by-step explanation:
x² = 40² + 9²
= 1600 + 81
x² = 1681
x = √1681
x= 41
Answer:

Step-by-step explanation:

Subtract the numerator exponent from the denominator exponent.

Answer:
1/4
Step-by-step explanation:
total balls=7+4+4+5=20
probability of green marble=?
green marbles are 5 so,
Probability=number of favourable outcomes / number of all possible outcomes
total outcomes=20
green ball chances=5
=5/20
=1/4
Answer:
its 3 brother
Step-by-step explanation:
you divide 27 by 9 and thats 3