SI units are the modern form of the: a- geological system of measurement
b-metric system of measurement
c-US customary system of measurement
d-imperial units of measurement

given the equation is 8+9z=-6, the first step would be to subtract the 8 from both sides:

8+9z-8=-6-8

since 8 minus 8 = 0, this would cancel out the 8. and since -6 minus 8 equals -14, the equation would look like this

9z = -14

i would think "anyone would want the best for their child" is correct

if you get paid hourly because if you get a salary you could work all week and only get paid a certain amount no matter how much you work but if you get paid hourly then you get paid for every minute you worked.