Marta walked at 4.3 miles per hour for 0.99 hours. how far did she walk?

Hello i need some with trigonometric substitutions. [tex]\int\limits^a_b {x} \, dx[/tex]

Isee the amount was $90.00 then reduced to $75.00 , what is the percent ?

Aplot of land has been surveyed for a new housing development with borders ab, bc, dc, and da. the plot of land is a right trapezoid with a height of 60 feet and an opposite leg length of 65 feet