Which is the range of the function f(x) =One-seventh(9)x?

all real numbers
all real numbers less than 0
all real numbers greater than 0
all real numbers less than or equal to 0

Emma will roll two number cubes labeled 1 through 6. she will record the sum of the two numbers after each roll. she will roll the two cubes 540 times. how many times should emma expect the sum to equal 5?

In trapezoid efgh, m∠hef=(4x2+16)∘ and m∠gfe=(5x2+12)∘. find the value of x so that efgh is isosceles.

The parabola x= √y-9 opens: a.)up b.)down c.)right d.)left