What is the best approximation of the length of segment qr? (note: tan 80° ≈ 5.67)

What is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4

Kyle and elijah are planning a road trip to california. their car travels 3/4 of a mile per min if they did not stop driving, how many miles could kyle and elijah drive in a whole day? ? 1 day = 24 hours. plzzz i will give you 100 points

Graph the line with the given slope m and y-intercept b. m=-3,b=1