In two or more complete sentences describe how to determine if the function, f(x)=3cos(x) is even by looking at a graph 25 points & will rate the !

It costs 4.25 for 1 pound of roast beef. how much will it cost to purchase 2.5 pounds of roast beef? round to nearest cent

Cherie measures and records the lengths and sizes of the same style of a sandal found at a shoe store. which equation can be used to determine the approximate shoe size, s, for a foot length of x inches? s = x – 2 s = 2x – 10 s = x + 6 s = 2x + 4

Triangle xyz has vertices x(1,3), y(0,0)