Evaluate the expression for a = -1 and b = 5. shiw your work. 5a-7b+b2

Can someone me and do the problem plz so i can understand it more better

Enter the missing numbers in the boxes to complete the table of equivalent ratios.time (min) distance (km)? 36 9? 1512 ?

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.