The angle of elevation from point a to the top of a cliff is 38 degrees. if point a is 80 feet from the base of the cliff, how high is the cliff ?

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)

Drag each expression to the correct location on the solution. not all expressions will be used. consider the polynomial 8x + 2x2 - 20x - 5. factor by grouping to write the polynomial in factored form.

Afarmer has 5 times as many cows as pigs. the farmer only has cows and pigs, and he has 168 animals. how many cows does he have?