Answer:
we make 20&40 to be add.
Step-by-step explanation:
if we add 20&40
mean 20+40=60
so the answer is 60.
Answer:
d. 6
Step-by-step explanation:
Answer:
no
Step-by-step explanation:
Assuming the wall makes a 90-degree angle with the ground, the ladder is the hypotenuse of a right triangle whose legs are the ground distance, the wall height, and whose hypotenuse is the ladder length.
The hypotenuse of a right triangle must be longer than either side. If one side is length 13 and one side is length 5, the hypotenuse must be about 13.93. A 13-ft ladder will not do.
Answer:
The surface area of a box that is 6 by 4 inches is 24in²