1 i Althea has 100 trading cards and
Marlon has 20. Ever day Althea gives
Marlon one card. Use the equations
:c= 100 – d and c 20 + d to
model this situation. Solve the
system by substitution. Explain what
the solution means in this situation.

According to modern science, earth is about 4.5 billion years old and written human history extends back about 10,000 years. suppose the entire history of earth is represented with a 10-meter-long timeline, with the birth of earth on one end and today at the other end.

How many real-number solutions does the equation have? -4x^2 + 10x + 6 = 0 a. no solutions b. two solutions c. infinitely many solutions d. one solution

What is x3+3x2−16x−48 divided by x−1?