Use the distance and slope formulas to justify your answer to the question. Determine whether WXYZ given W(0, 8), X(6, 10), Y(-1, -1), Z(-7, -3) is a parallelogram.

Write a function that matches the description. a cosine function has a maximum of 5 and a minimum value of -5. f (r) =

Factor the expression using the gcf. the expression 21m−49n factored using the gcf

Aboat has a speed of 9 mph in calm water. it takes the boat 4 hours to travel upstream but only 2 hours to travel the same distance downstream. which equation can be used to find c, the speed of the current? 2(9 – c) = 4(9 + c) 9 + c = 4(9 – c) 9 – c = 2(9 + c) 4(9 – c) = 2(9 + c)