What will be the result when all subject are A+ except one C+ total subject 8

Justin has 750 more than eva and eva has 12 less than justin together they have a total of 63 how much money did

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.

Determine the function’s value when x = -1 a. g(-1)=-3 b. g(-1)=0 c. g(-1)=1 d. g(-1)=27