HELP will give brainliest

60 mph

Step-by-step explanation:

I guessed and checked random numbers that would be 20% speed reduction to 48 mph.

a reflection across the x-axis , followed by the by a reflection across the y-axis , and then a scale dilation of 0.5 .

24

step-by-step explanation:

the graph shows 30% of students walk. 80 students were questioned, so the number that said they walk is

30% × 80 = 0.30 × 80 = 24