Answer:
simplify -1-18
Step-by-step explanation:
Subtract 18 from −1
−
19
Answer:
-11xy-14y+4x
Step-by-step explanation:
The room has 16*12= 192 feet
192:2=96 tiles need Mrs Ellis
96*0,84 $=80,64 $ is the cost
Use PEMDAS:
P Parentheses first
E Exponents (ie Powers and Square Roots, etc.)
MD Multiplication and Division (left-to-right)
AS Addition and Subtraction (left-to-right)
[(30 + 6) - 32] : 9 · 2 = (36 - 32) : 9 · 2 = 4 : 9 · 2 = 4/9 · 2 = 8/9
