The waves at which beach take a longer period of time to complete one full wave cycle? A. Sandy Beach B. This cannot be determined from the given information. C. Windy Beach D. At both beaches it takes the same amount of time to go through one full wave cycle.

answer:     true

step-by-step explanation:

x= -3 and

step-by-step explanation:

to find the roots of a cubic, use division or factoring to find the factors then set equal to 0. as this is a difference of cubes, it factors into

where a is the cube root of .

here   this is 27 and the cube root of 27 is 3. so we write using the form:

.

set each factor to 0 and solve for x.

x-3=0

x=3

the quadratic expression does not factor and must be solved using the quadratic formula.

where a = 1, b=3, and c=9

this cubic has two complex roots.

125 yards

step-by-step explanation:

i take 75 plus 50.

the answer on ed. is:

c. "the graph of f(x) has exactly two x-intercepts."

hope i could someone! : )