Answer:
x = 45 degrees
Step-by-step explanation:
The angles in a triangle adds up to 180 degrees
105 + 30 + x = 180
==>
x = 180-135=45
Let, the original price = x
It would be: x*60% = 48
x = 48 / 0.60
x = 80
In short, Your Answer would be $80
Hope this helps!
Answer:

Step-by-step explanation:
difference of a number and 9 means to subtract

twice that means multiply by 2

at least is greater than or equal to

Factor out the -3
(-3)(x^2-2x+3)
Answer:
198 inches
Step-by-step explanation:
There are 12 inches in each foot
multiply 16 by 12 you get 192
Half of a foot is 6 inches
add 6 inches and you get 198