Answer:
D
Step-by-step explanation:
because youe last number is 90
Answer:
x^2 + 2xy + y ^2
Step-by-step explanation:
A = a^2
a = x + y
(x + y) + (x + y)
x^2 + xy + xy + y^2
x^2 + 2xy + y ^2
Answer:
18. 20,000.
19. 0
7. 1
11. 101
Step-by-step explanation:
18. I think is stays the same, because an integer is a number that is not a fraction. So still 20,000.
19. Sea level is at zero altitude. So answer is 0.
7. |17-16| = |1| = 1. The lines around it are called absolute value signs and mean to make the answer positive.
11. |-101| = 101. As said before the lines mean to make the inside part positive.
Answer:
2.5 boxes per minute
Step-by-step explanation:
First divide 10 by 4 to get the unit rate 2.5/1.
Second add labels, and figure out conclusion.
2.5 boxes/ 1 minute
Carla packs 2.5 boxes per minute.