Answer:
Rational
Step-by-step explanation:
A rational number is any number that can be written as a ratio of integers. 11 and 12 are both integers, so 11/12 is rational.
Answer:
m = 3/5
Step-by-step explanation:
Slope Formula: 
Step 1: Find 2 coordinates
(0, 80)
(-50, 50)
Step 2: Find slope <em>m</em>
m = (50 - 80)/(-50 - 0)
m = -30/-50
m = 3/5
Answer:
x∉R
Step-by-step explanation:
Since that angle is 45 degrees, the white triangle is an isosceles triangle. Therefore, the hight of the big triangle is equal to 12. The are of the shaded triangle is 4x12/2 = 24
Answer:15
Step-by-step explanation:
5•5.5