Answer:
Step-by-step explanation:
( 4 / 21 ) ( 7 / 16 ) ( 15 / 9 )
= ( 2 × 2 × 7 × 3 × 5 )/( 3 × 7 × 2 × 2 × 2 × 3 × 3 )
= ( 5 )/ ( 2 × 3 × 3 )
= 5 / 18
Answer:
A,D,E
Step-by-step explanation:
Lol i took the test on edge and got it correct.
:P
Answer:
ok whatchu need help with
Step-by-step explanation:
Answer:

Step-by-step explanation:
The vertex form of an equation of a parabola y = ax² + bx + c:

(h, k) - vertex

We have the equation:

Substitute:

Finally:
