Answer:
-80
Step-by-step explanation:
Firstly deal with the bracket
;((-36) + 20) = 20 - 36
; which then gives us... -16
Then in place of the bracket...replace it with the (-16) value,
; -64 + (-16)
; -80
Use properties of addition to evaluate the expression.
Remove the parenthesis and simplify the number
positive times negative is negative
Now simplify the expression
When the signs are same then we add the numbers and put the same sign
-64 and -36 becomes -100
hey
diagonal PQ = root over l²+b²+h²
= root over 9+16+144
root over 169
=13 is your answer
a
There you go! :)
C. -5/7
Take your y values and subtract them (2- -3) = 5
Then do the same with your x values in the same order (-4 -3) = -7
