Answer:
3/10
Step-by-step explanation:
Of means multiply
2/5 * 3/4
Rewriting
2/4 * 3/5
1/2*3/5
3/10
Answer:
-2/3
Step-by-step explanation:
The slope is -2/3 because the slope formula, y2-y1/x2-x1
Answer:
1
Step-by-step explanation:
Slope = Change in y/ Change in x
= (9-7)/(9-7)
= 2/2
Answer: 4
Step-by-step explanation:
Protons have a positive charge, so 4 protons would have a charge of positive 4
The answer is 5 x 4 x 3 x 2 x 1 or 5! (! = factorial)
It is a permutation, as the order matters.
There are 120 ways they can form a line.