Answer:
P.E.M.D.A.S
P: parenthesis
E: exponent
M: multiplication
D: division
A: addition
S; subtraction
the question E: Addition and subtraction
the question F: Multiplication and division
18. 17.9
19. 21.1
20. I cant see the numbers sorry; if the sides are 6, √85 than it should have an angle of 40.6
If it’s a triangle then it has to equal 180
so 48+54+x=180
48+54=102
180-102=x
x=78
Answer:
a=-30
Step-by-step explanation:
x^2 = 800. Take the square root of each side.
x = √(800) and -√(800)
