I NEED HELP NOWWW
9 + 10 = ?
A: 19
B: 12
C: 9
D: 21

The graph of a line gets what as the value of the slope gets bigger

Lena reflected this figure across the x-axis. she writes the vertices of the image as a'(−2, 8), b'(−5, 6), c'(−8, 8), d'(−4, 2).

The function v(r)=4/3pir^3 can be used to find the volume of air inside a basketball given its radius. what does v(r) represent