Which values are solutions to the inequality below? check all that apply.
√x> 9
a. -81
b. -3
c. 100
d. 27
e. 3
f. 81

Kapil needed to buy a long wooden beam. he went to two sawmills that each charge an initial fee plus an additional fee for each meter of wood. the following equation gives the price (in dollars) of a wooden beam from the first sawmill as a function of its length (in meters). p = 5+20xp=5+20x

Haley buys 9 pounds of apples for $3. how many pounds of apples can she buy for $1?

Which of the following contains a variable?