Apackage of sticky notes is in the shape of a parallelogram. the dimensions of a sticky note are shown. what is the area of one sticky note ? 8.8cm.12.4 cm

Brent wants to know what is 5 x 1/2

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.

List x1, x2, x3, x4 where xi is the left endpoint of the four equal intervals used to estimate the area under the curve of f(x) between x = 4 and x = 6. a 4, 4.5, 5, 5.5 b 4.5, 5, 5.5, 6 c 4.25, 4.75, 5.25, 5.75 d 4, 4.2, 5.4, 6