Two positive integers between 51 and 999 are both rounded to the nearest hundred. If these two numbers are multiplied together, which of the following must be true?

Agraph of a trapezoid can have diagonals with slopes that are negative reciprocals and two pairs of adjacent sides that are congruent, true or false, and why

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

The acceleration of an object due to gravity is 32 feet per second squared. what is acceleration due to gravity in inches per second squared?