Answer:
Step-by-step explanation:
he needs to add $723 to his account. He needs $1243 in all to write his checks
unknown value of what mate
Answer:
1) given
2) given
3) definition of vertical angles
4) AAS
Step-by-step explanation:
Answer: Diego, 4a + 9b is equivalent
Step-by-step explanation:
7a + 5b - 3a + 4b
= (7a - 3a) + (5b + 4b) We rerange the variables, and put them together with (), which make it more clear to solve.
= 4a + 9b
