I am a solution. If you square my number, the answer will equal 441. What number am I? (hint: there are two of me)

F(x)=x/2-2 and g(x)=2x^2+x-3 find (f+g)(x)

Kayaks rent for $35 per day. which expression can you use to find the cost in dollars of renting 3 kayaks for a day?

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.