The expression shown is the cost a customer pays for an item, where c is the cost the store pays for the item and 0.85c is the 85% price increase the store adds to the item.
Which expression is equivalent to c + 0.85c?
1.850
1.15c
0.85
0.150

Galen sold tickets of his church’s carnival for a total of $2,820. children’s tickets cost $3 each and adult tickets cost $5 each. the number of children’s tickets sold was 30 more than 3 times the number of adult tickets slod. how many children’s ticket and how many adult tickets did he sell?

Solve each quadratic equation by factoring and using the zero product property. [tex]x^2+6x+8=0[/tex]

Find cot x if sin x cot x csc x = √2