Find the value of x, rounded to the nearest tenth. answers : a.)12.5 b.)9.7 c.) 10.0 d.) 13.0

a.)12.5

Step-by-step explanation:

You have a triangle with a 90º angle, you can apply the laws of the triangles on the triangle, and the chosen would be cosine.

Cosine=

Cosine 28º=

x=

x= =12.45

x=12.5

  or  

step-by-step explanation:

if the four friends split the cost, p, of the pizza evenly, then each friend pays one-fourth of the cost of the pizza.

the expression is   or