Brandon and Carlos played a game of darts, and Carlos scored 30 more points than Brandon the total of their scores was 142 points. How many points did each of them score? Write two equations you can use to solve the problem. Use b to represent Brandon's score and c to represent Carlos' score.

Solve the system to find out how many points each person scored.

Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. a vending machine will only accept coins weighing between 5.48 g and 5.82 g. what percentage of legal quarters will be rejected? round your answer to two decimal places.

Which of the following is an equation of a line parallel to the equation y=4x+1?

The boiling point of water at an elevation of 0 feet is 212 degrees fahrenheit (°f). for every 1,000 feet of increase in elevation, the boiling point of water decreases by about 2°f. which of the following represents this relationship if b is the boiling point of water at an elevation of e thousand feet? a) e = 2b - 212 b) b = 2e - 212 c) e = -2b + 212 d) b = -2e + 212