Equivalent expressions are A. equal for all values of the variable
B. equal for some values of the variable
witch one

What is the missing reason in the proof? segment addition congruent segments theorem transitive property of equality subtraction property of equality?

Yvaries inversely as x. y =12 when x=5. find y when x=4

If a distance of 75 yds is measured back from the edge of the canyon and two angles are measured , find the distance across the canyon angle acb = 50° angle abc=100° a=75 yds what does c equal?