See the picture, please!!
Step-by-step explanation:
4x + 2xy=
4×4 + 2×4×-3
= 16 + (-24)
= - 8
Answer: it is the 4 one
Step-by-step explanation:
Answer:
If quadrilaterals ABCD and WAYS have corresponding angles congruent and corresponding sides proportional, they are called cross products is
Step-by-step explanation:
True
Answer:
The kinetic energy is 20,000\ J
Step-by-step explanation:
The kinetic energy of a body is defined as:

Where <em>m</em> is the mass of the roller coaster car
<em>s</em> is the speed and <em>k</em> is the kinetic energy
We know that 

Then the kinetic energy of the roller coaster car is:
