Answer:
The answer is D i guess . ( Not completely sure )
A: Foil
(b+2)(b+2)=b²+2b+2b+4=b²+4b+4
B: Again, Foil
(x+3)(x-3)=x²+3x-3x-9=x²-9
Answer:
Step-by-step explanation:
hello :
x ÷ y for x = 8 and y = 16 means : 8/16 = 8/(2×8) = 1/2
Answer:
1. 16
2. 31
3. 10
4. 18
5. 24
6. 35
Step-by-step explanation:
Answer:
x= 18
y =45
Step-by-step explanation:
first these two angles are supplementary and add up to 180 degrees:
(6x+7) + (4x-7) = 180
find x:
10x = 180
x = 18
substitute x = 18 for the angle (6x+7)
now we know what 6x +7 =
6 (18) + 7 = 115
since angle 3y-20 = 115, solve for y
3y = 135
y = 45