Answer:
x=40
Step-by-step explanation:
you have to get a answer of 60
(40)+20=60
and 2(40)-20=60
Answer:
A. thats the answer
Step-by-step explanation:
carry on learning
Answer:
Choice 'D' (10x + 9) (10x-9) is the correct answer
Step-by-step explanation:
100x^2 - 81
This is a difference of squares...
therefore = (10x + 9) (10x - 9)
Answer: 7/20
Step-by-step explanation:
If there is 8 boys then there is 12 girls because 2x4=8 boys so 3x4=12 girls.
