Answer:
2)4 3)20 4)15
Step-by-step explanation:
12 - 8
91 - 77
75 - 60
Answer:
True
Step-by-step explanation:
Cells must make proteins to make vesicles move and operate.
Given:
Area of a square frame = 81 square inches.
To find:
Perimeter of the frame.
Solution:
Let length of each side of the frame = a inches.
Area of square frame is


Taking square root on both sides,


Side length cannot be negative. So, a=9 inches.
Perimeter of frame is



Therefore, the perimeter is 36 inches.
Answer:
20 minutes
Step-by-step explanation:
40% = 8 minutes
40% x 2.5 = 100%
8 minutes x 2.5 = 20 minutes
Answer:
54
Step-by-step explanation:
3x10=30
9x3=27
30+27=57-3