50 points! How many solutions are possible for the equation below?
3x + 4 = x + 1 + 3x + 2
A. No solutions
B. One solution
C. Two solutions
D. Infinitely many solutions

Arley is building a model of a city map. in one part of the city, three roads form a right triangle, which harley draws as triangle abc, with the following measures: m∠b=90° and m∠a=30°. in his scale model, the hypotenuse of triangle abc, ac¯¯¯¯¯¯¯¯, has a length of 817−−√ cm. what is the value of a (the length of bc¯¯¯¯¯¯¯¯)?

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label

You are at a restaurant and owe $56.20 for your meal. you want to leave an 18% tip. approximately how much is your tip?