Write a system of equations and solve. Cathy paid 42 cents for a pencil and two erasers. Ron paid 91 cents for five pencils and three erasers. What we’re the prices of pencils and erasers?

One file clerk can file 10 folders per minute. a second file clerk can file 11 folders per minute. how many minutes would the two clerks together take to file 672 folders?

Abby is collecting rainfall data. she finds that one value of the data set is a high-value outlier. which statement must be true? abby will use a different formula for calculating the standard deviation. the outlier will increase the standard deviation of the data set. the spread of the graph of the data will not change. abby will not use the mean when calculating the standard deviation.

Find the slope of the line that passes through the points (-3, -1) and (0, 3). 3/4 0 4/3