21.) is clue
I don't know the others I'm sorry...
Answer:
the answer 64!! but its asking for the product using an exponent so 4 to the third power, or 4 cubed.
Step-by-step explanation:
Answer:

Step-by-step explanation:
For a shape to be a parallelogram, the angles that are across from one another have to be equal.
We can now find x by making both equations equal to each other and solving.

Solve.

Answer:
90 lb/1 x 0.45 = 40.5
Step-by-step explanation:
To convert pounds to kilograms you would have to multiply the pounds by 0.45. So you have to multiply 90 by 0.45.