The variables "X" and "Y" vary directly. Use the values to find the constant of proportionality.

2y=-4x

To best estimate the quotient in scientific notation, what number should replace m?

7 is 40% of what number? If necessary, round to the nearest tenth.

Which of these are measures of central tendency he found for this list of highest recorded in the high jump at a track meet

And our teacher has a box of 100 markers the teacher gives out silver markers to each student in the class and has 16 markers left over how many students are in the class?

Suppose that two current exchange rates are US $1 = 117.9 Yen and 1 peso = US $0.0476. What is the value of 1 peso in yen?

What can you infer about elements that are in the same group? a. they will have the same atomic mass b. they will display similar chemical and physical properties c. they will contain the same number of protons d.

Find the volume of a right circular cone that has a height of 9.5 m and a base with a circumference of 10 m. Round your answer to the nearest tenth of a cubic meter.

Function notation (2)

Is (2, 5) a solution to this system of equations? x + 2y = 12 2x + 2y = 14 yes or no

Given the system of linear equations. Choose all of the options that could be used to solve the system using addition x + y = 7 2x + y= Multiply the first equation by - 1 and add the equations together.