Answer:
8cm²
Step by step explanation:
A= ½×4cm×4cm
A= ½×16cm²
A= 8cm²
Answer:
-8
Step-by-step explanation:
Answer:
7
Step-by-step explanation:
109-91 is 18, but multiplied is 9919
Being that the system is quadratic—with parabola opening downwards—you’re going to need to find the vertex. You can find the x coordinate of the vertex with -b/2a . Then plug in for x to find the y coordinate…