55+-)x4 show all work the anwer is 85 but how did u get the answer

Step-by-step explanation:

You use PEMDAS parenthesis, exponents, multiplication, addition, subtraction.

First you will change the -(-3) into positive

-55+-7x6+3x4

Now change the +-7 into negative 7

-55-7x6+3x4

Now multiply 7 times 6...

-55-42+3x4

Now multiply 3 times 4...

-55-42+12

Now add the two negatives, 55 and 42

-97+12

Now add those...

-85

overpriced

step-by-step explanation:

answer: the angel abc is 30°,and the abc is a triangle where the angel bac is 90°

so ac is the half of 24=12ft,and from the pythagorean theorem we find ba

ba=√bc^2-ac^2=√576-144=√432=12√3ft

so bac is 12+12√3=12(1+√3)ft