Solve the open sentence.
–2 ≤ n + 4 ≤ 7

a. n ≥ 6 and n ≤ –4

b. n ≤ 2 and n ≤ 7

c. n ≤ –6 and n ≤ 4

d. n ≥ –6 and n ≤ 3

Jack lives on a farm and has a large backyard. the area of his rectangular backyard is of a square mile. if the width of the yard is of a mile, what fraction of a mile is the length of the rectangular backyard?

The jewelry store is having a sale. necklaces that were regularly priced at $23.50 are on sale for $18.80. what is the percentage of decrease in the price of necklaces?

For which pairs of functions is (f•g)(x)=12x? f(x)=3-4x and g(x)=16x-3 f(x)=6x2 and g(x)= 2/x f(x)= and g(x) = 144x f(x)=4x and g(x) =3x