Answer:28
Step-by-step explanation:
C = d × pi
C = 6 × 3.14
C = 18.84
Answer:
14
Step-by-step explanation:
28=2x2x7
42=2x3x7
=>gcf=2x7=14
10^2 is 10×10 which is 100
4^2 is 4×4 which is 16
so it simplifies to 100-16×2. By Order Of Operations, parentheses, exponents, multiply and divide, add and subtract 100-16×2 makes 100-32 which is 68
Answer:

Step-by-step explanation:
Solving for x:

In this form is easy to identify the factors of the quadratic function:
. The two solutions are the values that make each of the factors equals to zero.
