3. Which of the following statements about the quadratic function y = x2 + 3x – 4 is true? (TEKS
A.7A)

How many different three-digit numbers can be formed using the digits 1 comma 2 comma 9 comma 6 comma 4 comma 3 comma and 8 without repetition? for example, 664 is not allowed.

You are riding your bike and notice the square sign above. you mentally draw a straight line from point a to c. describe the angle relationship between dca and bca

Can someone me and explain..will award brainlest!