Answer:
44
Step-by-step explanation:
1x21=21
21+23=44
He written 21 pages
he wants to spend one hour on each page so if he spends 21 hours = 21 pages
153\286
A -box 1
B -box 2
B)- blue ball drawn
the slope is -1/4
the change in y over the change in x from point (-2,-2) to (2,-3) is how to find the slope
y1-y2/x1-x2 = m
-2--3/-2-2 = -1/4