Your answer is C.) -16.2
Step-by-step explanation:
First you replace x in the equation with (-142)
Then you add (-142+223) and you get 81
Finally you multiply -0.2(81) and you get
-16.2
x = 25
step-by-step explanation:
a^2+b^2=c^2
7^2+24^2=c^2
49+576=625
sqrt625=25
x=25