Answer: An inequality is a mathematical or arithmetic phrase that is not equal; this inequality prohibits the equal sign. Instead, inequalities are expressed with greater than (>), less than (<), equal to or greater than (≥) or equal to or less than (≤).
 
        
                    
             
        
        
        
The secant of a circle is any line that intersects two points on the circumference of the circle.
In the given circle, the lines EF and XY intersects two points on the circumference of the circle and hence are secants of the circle.
From the answer options given, the secant line is line XY.
        
                    
             
        
        
        
Answer: 40 balloons
Step-by-step explanation:
x=number of balloons
2*4=8
x=(64-50-8)/0.15
x=6/0.15
x=40
 
        
             
        
        
        
Answer:
The answer is in the explanation, parentheses are very important 
Step-by-step explanation:
(-10)2 you use distribution so it will be -20 
and the -102 would just be some number if with out the parentheses