What is the slope of any line that is perpendicular to the line 21×+7y=49 A. 7
B. -3
C. -1/3
D. 1/3

Solve with work both bert and ernie received an increase in their weekly salaries. bert's salary increased from $520 to $520. ernie's salary went from $580 to $645. find the percent of increase for each salary. what was the larger of the two percents ?

Given the quadratic function f(x)=3x^2-24x+49 a. use “completing the squares” to convert the quadratic function into vertex form b. state the vertex c. find the x and y intercepts d. graph the function

Which of the following is another way to express the difference between -5 and 8?