PLEASE HELP SOMEONE PLEASE CAN ANYONE HELP PLEASE I NEED HELP Markall's Goods usually sells their jackets for $50. Last week, they changed their price to $80. What was the percent change?

A.60%
B.30%
C.75%
D.25%

6cm10 cma conical paper cup has dimensions as shown in the diagram. how much water can the cup hold when full?

Ahmed plans to add a rectangular sunroom to his house. the sunroom will have a length of 14 feet and a width of 10 feet, and the construction will cost $40 per square foot. how much more would the sunroom cost if it’s width were increased to 12 feet?

Myra took a picture of the sky one afternoon when two jet airplanes appeared to draw a pair of parallel lines with their vapor trails. the vapor trails from two other jets flying from another direction crossed over the parallel trails. she printed her picture and labeled the angles and lines. assume lines c and d are parallel and 2 measures 98°. which statements are true? check all that apply. 3 = 6 = 98° 3 = 14 = 98° 4 = 8 = 82° 4 = 12 = 82° 5 = 8 = 82°