a group 1200 people there are 800 people who can speak hindi and 480 people who can speak spanish how many speak hindi only and how many spanish only how many speak both hindi and spanish

The lines shown below are parallel. if the green line has a slope of -1, what is the slope of the red line?

The table below shows the height of a ball  x  seconds after being kicked.  what values, rounded to the nearest whole number, complete the quadratic regression equation that models the data? f(x)  =  x2  +  x  +  0based on the regression equation and rounded to the nearest whole number, what is the estimated height after 0.25 seconds?   feet

Consider the input and output values for f(x) = 2x - 3 and g(x) = 2x + 7. what is a reasonable explanation for different rules with different input values producing the same sequence?