The equation shows the relationship between x and y:

y= -9x + 5

what is the slope of the equation?
a) -14
b) -9
c) -4
d) 5

Samantha swam upstream for some distance in one hour. she then swam downstream the same river for the same distance in only 12 minutes. if the river flows at 4 mph, how fast can samantha swim in still water?

What expression is equivalent to 42x-56y

The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels