Repost I can’t see the question and the picture
Answer:
Well if you're rolling a die then it would be 1/6 or 1:6
Step-by-step explanation:
Her experimental probability of rolling a double is 11 out of 42 because out of the 42 times she rolled the number cubes, she got her doubles 11 times. Another way to write this as a fraction is 11/42.
Answer:
a. 4(a+5)(a-5)
d. (2d+9)(2d+9)
Step-by-step explanation:
hope these help i couldnt understand b and c
* the point is in the difference between (a+b)(a+b) and (a+b)(a-b)
in the former you have a2+2ab+b2 the latter is just a2-b2