Write expression that is equivalent to 1/2 a - 4 please I need help this is what I need to really pass the year and anyone the house will become my friend my Ally My pal my best friend and if I find out who you are and if you help me I'll make sure I won't let your help be in vain

Credit card a offers an introductory apr of 3.4% for the first three months and standard apr of 15.7% thereafter,

Worth 100 points need the answers asap first row -x^2 2x^2 (x/2)^2 x^2 x is less than 2 x is greater than 2 x is less than or equal to 2 x is greater than or equal to 2 second row -5 -5/2 4 5 •2 is less than x& x is less than 4 •2 is less than or equal to x & x is less than or equal to 4 •2 is less than or equal to x& x is less than 4 •2 is less than x& x is less than or equal to 4

In the diagram below,abc is congruent to dec what is the value of x