Answer:
Total ribbons = 3 + 12 = 15So, 3/15 = black12/15 = greenTherefore the probability Lila selects the black ribbon first is 12/15Because Lila has taken one
Step-by-step explanation:
Answer:

Step-by-step explanation:
Rationalizing the denominator of a fraction is when one multiplying fraction such that it removes any radical from the denominator. This can be done by multiplying both the numerator and the denominator by the radical that is present in the denominator. In fractional terms, a number over itself is equal to one, therefore, doing this would keep the equation true. After multiplying, one will simplify the resulting fraction.

Simplify like factor found in both the numerator and the denominator,

Answer:
The length of the rectangle is 29 cm.
Step-by-step explanation:
38 - 9 = 29
Answer:
y = 2x + 3
Step-by-step explanation:
3 is the constant
2 is the rate at which recieves
So, y = 2x + 3
45 times the numerator plus the denominator is most likely going to equal the same amount as if it were doubled.