Answer:
x = 10
Step-by-step explanation:

or, 10x + 8 = 4(2x + 7)
or, 10x + 8 = 8x + 28
or, 10x - 8x = 28 -8
or, 2x = 20
or, x = 20/2
or, x = 10
x = 10
Answer: Option C

Step-by-step explanation:
To solve this problem use the properties of the logarithms.
We know that the inverse function of
is
.
So when composing the function with its inverse function we have to:
.
Now apply this property on both sides of the equation

the answer is the option C
Answer:
47.85
Step-by-step explanation:
33% of 145
of means multiply
Changing to decimal form
.33* 145
47.85
1200,000(1+.1)=(the answer) sorry I don't have a calculator with me.
Answer:
40
Step-by-step explanation:
Dominic: 32/80
Eva: 48/80
Freya: 60
32+48+60= 140