Franklin high school has 4 valedictorians. in how many different ways can they give their graduation speech

Number of ways = 4!

= 4×3×2×1

= 24ways

Step-by-step explanation:

19.side- angle- side

20. angle- side- angle

step-by-step explanation:

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.