Answer:
Area is (x² - 9) units squared.
Step-by-step explanation:
• from difference of squares quadratic property:

→ a is x
→ b is 3
• Therefore:

um i think it's a. don't quote me on it tho
Answer:
I am pretty sure it is a rotation
Step-by-step explanation:
Reflection will look different
Translation is moving things
And Dilation is making the things bigger or smaller
Answer:
dont see sphere
Step-by-step explanation:
Since she bought 4 bags of 50 beads and 3 bags of 200 beads you only need to use two operations: multiply and add.
4 x 50 is 200
3 x 200 is 600
600 + 200 = 800
Mariah purchase 800 beads in total.