The number of decibels, d, produced by an audio source can be modeled by the equation d = 10 log(5)

where I is the sound intensity of the audio source and

K is a constant. How many decibels are produced by an

audio source whose sound intensity is 1,000 times the

value of K?

4.

F.

G. 30

H. 40

J. 100

K. 10.000

Keisha makes a large sandwich for a family picnic she takes 1/2 of them the sandwich to the picnic her family eats 3/8 of the whole sandwich what fraction of the whole sandwich does keisha bring back from the picnic

1. which of the following algebraic equations is equivalent to ? x^n = a a^n = x a^x = n x^a = n 2. 16^1/4= 1/2 2 4 3. (-36)^1/2= -6 1/6 no real number 4. 8^2/3= 4 8 16√2 )^5/2= 7,776 1/7,776 no real number 6. m ^ the square root of a^2m simplified is: 7. the square root of 3^3 times the square root of 2 simplified and in radical form is:

In a sale there is 25% of all prices a chair costs £45 in sale how much was it before the sale