If y is directly proportional to x. if y = 30 when x = -5, what is the value of y when x = 3?

What is the length of the segment, endpoints of which are intersections of parabolas y=x^2− 11/4 x− 7/4 and y=− 7 /8 x^2+x+ 31/8 ?

The mean of 10 values is 19. if further 5 values areincluded the mean becomes 20. what is the meanthese five additional values? a) 10b) 15c) 11d) 22

The dash figure is a dilation if the original figure. find the scale factor. classify the dilation as an enlargement or a reduction