**Answer:**

C.

**Step-by-step explanation:**

Location 1 is 20 feet ABOVE the sea level while Location 2 is 50 feet BELOW the sea level.

Location 1 would be 20

Location 2 would be -50

And think of the greater than and lesser than symbol as a alligators mouth it would go towards the bigger number so, -50 < 20, Location 1 is higher, is the answer.

**Answer:**

2, 9 , 16 , 23 , 30 ......

**Step-by-step explanation:**

**Answer:**

(a)(b)=0.45

a/b=0.8

**Step-by-step explanation:**

a=0.6

b=0.75

(a)(b)=(0.6)(0.75)=0.45

a/b=0.6/0.75=0.8

**Answer:**

**D. Every real number is also rational.**