WILL GIVE BRAINLIEST! A plumber's labor costs for house calls C is given by by C = t + 55, where t is the number of minutes the plumber works in the house. From the graph of the function, what is the cost in dollars if the plumber works 20 minutes? (Enter an exact number.)

Simplify 5 square root of 7 end root plus 12 square root of 6 end root minus 10 square root of 7 end root minus 5 square root of 6 . (1 point) 5 square root of 14 end root minus 7 square root of 12 5 square root of 7 end root minus 7 square root of 6 7 square root of 12 end root minus 5 square root of 14 7 square root of 6 end root minus 5 square root of 7

16. you're planning to buy a boat, a motor, and some miscellaneous boating equipment. the boat costs $325, the motor costs $225, and the equipment costs $79. if you've saved $438 toward these purchases, how much more do you need to save? a. $181 b. $281 c. $291 d. $191

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)