Use resolution to derive each conclusion. Use logical equivalence if the expression is not a clause. 1) ~a˅ b ˅ c
~b
~c

* a

2) ~a ˅ c
~ c ˅ b
a

* b

3) a => b
a v b

* b

4) a
~a ˅ c
~c ˅ d

* d

5) a ˅ b
~a ˅ c
~c ˅ d

* b v d

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.

Simplify 24÷(-2)(3)+7 a. -29 b. 3 c. 11

Linda loans her friend $250 with a 5% monthly intrest rate. how much was the whole loan?