In five years, josh will be 21 years old . how old is he now? let j=josh's current age.
a= j=21+5
b= j+5=21
c= j-5=21

Complete the square to determine the minimum or maximum value of the function defined by the expression. x2 − 12x − 2 a) maximum value at 38 b) minimum value at 38 c) maximum value at −38 d) minimum value at −38

Which expression will have the same sum as 3_8 + 1/4?

21 a stick 7 inches long is broken into two pieces, so that one piece is twice as long as the other one. how long are the two pieces?