Please help ASAP! Will give brainlist 1) what hourly rate is indicated by the graph?

2) what is the ratio of the height of the base
Medium triangle:
Large triangle:

Astuntman jumping off a 20-m-high building is modeled by the equation h=20-5t^2, where t is the same in seconds. a high-speed camera is ready to film him between 15m and 10m above the ground. for which interval of time should the camera film him?

Evaluate 8j -k+148j−k+14 when j=0.25j=0.25 and k=1k=1.

Iwill arward ! , i if bt ≅ eu , bu ≅ et , prove: ∠b ≅ ∠e. fill in the blanks: draw segment ut ≅ bt≅ bu ≅ △ubt ≅ △