Answer:
i think its 63
3:4
84 divided by 4 equals 21, so then you multiply 3 by 21 and get 63
Answer:
-9/2
Step-by-step explanation:
-2x-5 = 4
+5 +5
-2x = 9
------ ------
-2 -2
x = -9/2
Answer: y²z⁴ / x¹²
Explanation:
1) Given expression to simplify:

2) Property: power of power:

3) Property: product of powers with the same base

4) Add the exponents

5) Pass the negative power to the denominator:

The exponent on x is 12. The exponent on y is 2. The exponent on z is 4.
Diameter = 10.0002 inches, or 10 inches since were rounding to the nearest whole number.
4+3+1+1+1+1+1 =12
4x3x1x1x1x1x1=12