There are twelve girls and eight boys in a math class. The girls' mean score on the final exam was 83.5. The boys' mean score was 81.5. What was the mean for the entire class?

Two lines, C and D, are represented by the equations given below: Line C: y = x + 10 Line D: y = 3x + 2 Which of the following shows the solution to the system of equations and explains why?

What qualities are often found in a superheroes

At the same time a 32-foot water tower casts a 14-foot shadow, a nearby light posts a casts a 7-foot shadow. How tall is the light post? a. 7 ft b. 12 ft c. 16 ft d. 18 ft

Find the equation of the line with a slope of - 2 and y-intercept - 5

Convert 1 1/3 to a improper fraction

Nicole has $9 to spend on cards. She finds friends with the same amount of money to split the cost of a set. One set costs $27. Each friend gets the same number of cards. How many cards does each friend get?

find the variation constant and an equation of variation where y varies directly as x and y=45 when x=5

Every day, Bert spends an hour commuting to and from his office, driving at an average speed of 50 mph and taking the same route each way. How far does Bert live from his office?

Write this number in standard form. 7 millions, 14 hundred thousands, 8hundred, 2 ones

One morning in Helena, Montana the temperature was 12 degrees Fahrenheit ( f. below zero. By noon the temperature had risen 25° f. Which expression can be used to find the temperature, in degrees F, at noon that day in Helena, Montana?