Answer:
91 possible outcomes
Step-by-step explanation:
As the teacher selects a brunette followed by a blonde, we just need to find the number of possibilities of choosing a brunnette and the number of possibilities of choosing a blonde:
number of possibilities of choosing a brunette: 13
number of possibilities of choosing a blonde: 7
Then, the number of possible outcomes is the product of these number of possibilities:
13 * 7 = 91 possible outcomes
Yes they can just think of numbers with opposite signs
I-5I=I+5I the absoulte value is 5
La formula para calcular cualquier descuento esta dada por (100 - descuento)/100
en ese caso seria Y = (1-0.3)X = 0.7X
Answer:
5x2+11x−4
Step-by-step explanation:
=2x2+−4x+8+3x2+15x+−12
Combine Like Terms:
=2x2+−4x+8+3x2+15x+−12
=(2x2+3x2)+(−4x+15x)+(8+−12)
=5x2+11x+−4
have a great weekend <3