Which of the following lines is not parallel to the graph of y = 4x + 7?
a. y - 4x = 9
c. 4y - x = 8
b. 4x - y = 8
d. 8x - 2y = 8

Alake near the arctic circle is covered by a 222-meter-thick sheet of ice during the cold winter months. when spring arrives, the warm air gradually melts the ice, causing its thickness to decrease at a constant rate. after 333 weeks, the sheet is only 1.251.251, point, 25 meters thick. let s(t)s(t)s, left parenthesis, t, right parenthesis denote the ice sheet's thickness sss (measured in meters) as a function of time ttt (measured in weeks).

Find the area of the regular hexagon if a side is 20 cm.

Linda loans her friend $250 with a 5% monthly intrest rate. how much was the whole loan?