Answer:
Step-by-step explanation:
Mother=5hrs
Sandy and Allen and mother=2.5
Allen with mother=3.5
It would take sandy 5hrs coz she decorates the house herself so if u think logically it took her mother 5 hrs so it would take her.Coz its only her doing it no one else is helping!
No problem the answer is 34w i thinks o but make hru look like it
√x+7
√9+7
the square root of 9 is 3 (because 3*3=9)
3+7
10
Answer=10
Answer: -127
Step-by-step explanation:
They are giving you the corresponding x value for which you should plug into the function. So plug 4 into g(x) and plug 4 into f(x). Then subtract them
g(x) = -3(4) + 4 = -8
Im assuming that is 
f(x) = 8(4)^2 - 9 = 119
Now do -8 - 119 to get -127