A penguin walks South. It completes the first 1/3 mile in 1/5 of an hour and continues at the same rate. What is the penguin's rate in Miles per hour?

Simplify 5 square root of 7 end root plus 12 square root of 6 end root minus 10 square root of 7 end root minus 5 square root of 6 . (1 point) 5 square root of 14 end root minus 7 square root of 12 5 square root of 7 end root minus 7 square root of 6 7 square root of 12 end root minus 5 square root of 14 7 square root of 6 end root minus 5 square root of 7

Solve the equation w^3 = 1,000 i honestly dont know how to punch this into a calculator pls

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?