What is the constant of proportionality in the equation = 2
1

xy, equals, start fraction, 1, divided by, 2, end fraction, x?

Kelly is three years younger than her sister. the sum of their ages is 34 years. how old is kelly and how old is her sister?

Which statement is true about a number and its additive inverse? a. their product is always one. b. their sum is always one. c. they are always reciprocals of each other. d. their sum is always zero.

Which graph depicts the path of a projectile