Manny has a job that pays x dollars per hour. he worked 4 hours on monday, 5 hours on tuesday, and 3 hours on wednesday. the total amount in dollars he earned is given by this expression.
4x + 5x + 3x
which of these represents the same value as the given expression?
a 12x
b 60x
c 12 + x
d 60 + x

When drawing a trend line for a series of data on a scatter plot, which of the following is true? a. there should be an equal number of data points on either side of the trend line. b. all the data points should lie on one side of the trend line. c. the trend line should not intersect any data point on the plot. d. the trend line must connect each data point on the plot.

Type the correct answer in the box. consider the system of linear equations below. rewrite one of the two equations above in the form ax + by = c, where a, b, and c are constants, so that the sum of the new equation and the unchanged equation from the original system results in an equation in one variable.

Point r divides in the ratio 1 : 5. if the coordinates of e and f are (4, 8) and (11, 4), respectively, what are the coordinates of r to two decimal places?