Algebraic Ages 1)
Amy is a years old.
Zack is 7 years older than Amy.
Using a, write an expression for Zack's age.

2)
Bill is b years old.
Vicky is 4 times Bill's age.
Write an expression for Vicky's age.

3)
oo
Cathy is c years old.
Trey is 12 years younger than Cathy.
Write an expression for Trey's age.

In the figure below, segment ac is congruent to segment ab: triangle abc with a segment joining vertex a to point d on side bc. side ab is congruent to side ac which statement is used to prove that angle abd is congruent to angle acd? segment ad bisects angle cab. triangle acd is similar to triangle abd. segment ad is congruent to segment ac. angle cab is congruent to angle cba.

Atrucker had a load of grain containing 2 tons. she unloaded 1 ton and 1,200 pounds at the warehouse. how much grain does she still have left on the truck?

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?