Elsi purchased 2 boxes of party in vitations for 6.83 each. She mailed 23 party invitations to her friends and relatives. The cost to mail each invitation was $.48. What was the total cost, in dollars and cents, for the invations and the cost mail them?

Step-by-step explanation:

boxes= 2 x 6.83 = $13.66

to mail invitations= 23 x $48= $1,104

1,104 + 13.66= $1,117. 66

answer:  

step-by-step explanation:

here x represents the height of the pole,

and, the height of the shadow of the pole is 12 feet.

also, the angle of elevation from the top of the pole is 40°,

therefore,

by the low of sine,

which is the required equation for finding the value of x,

c

step-by-step explanation: