Emerson struck out 112 times in 350 at-bats. Write a proportion to represent the percent of strikeouts per at-bats

If an athlete can bike 6 miles in 25 minutes, how many miles will he bike in an hour and half if he continues to bike at the same rate?

Me! 50 points! why does when we come home, our door is unlocked and there is grease on the door knob, me solve this , and i don't know what category this goes under

Evaluate cos2θ for cosθ = square root of 3/2