Evaluate each expression for x=3, y= -4 and z= 6.

-y- x

-z + y - x

example from our teacher- evaluate each expression for a=-4 and b= -5
-a - (-b) <
) - (-5) <
) <
4+5=9

so i am wondering if for the questions if you do the (double negative) like a thing where it then becomes the opposite.

On new year's day, the average temperature of a city is 5.7 degrees celsius. but for new year's day 2012, the temperature was 9.8 degrees below the average. i) if a represents the average temperature on new year's day and 7 represents the temperature on new year's day 2012, what formula accurately relates the two values together? ii) what was the temperature on new year's day 2012? dt a 0.8 ii) - 4 1 degrees celsius da-t-98 ii) 59 degrees celsius 1) 7 = -9,8 11) 59 degrees celsius ii) l degrees celsius

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

Suppose your school costs for this term were $4900 and financial aid covered 3/4 of that amount. how much did financial aid cover? and how much do you still have to pay?