Answer:
1/2
Step-by-step explanation:
50-50 chance they will have a boy each time, 50-50 chance they will have a girl each time
Answer:
80
Step-by-step explanation:
70 + 30 = 100
180 - 100 = 80
since this is a multiplication, all the numerators are just factors of the product numerator and all denominators are just factors of the product denominator, so we can simply reorder them some, without changing the product.

The denominator is 24 in the fraction
Answer:
5
Step-by-step explanation:
d= √(5-1)^2+(1-4)^2
d= √4^2+(-3)^2
d= √16+9
d=√25
d=5