If the determinant of this matrix is -19, what is the value of a?
— 6 7 11
a -3 4 4
-6 4 -3
A.3
B.4
C.5
D.6

The length of each stair is 11 inches. what is the rise, r, for each stair? round to the nearest inch. 2 inches 7 inches 17 inches 24 inches

If rt is greater than ba, which statement must be true ?

Can you me with this question? i'll reward *30 points i just need with this one question so that i could solve the others. * edit: i originally set up the question to reward 30 points, but for some reason i can only reward 15. if you don't get 30, then i'm sorry. i'm still kind of new to this site