One plane at 520 feet is ascending at a rate of 40 feet per minute, while another plane at 3800 feet is descending at a rate of 120 feet per minute. how long will it take the two lanes to be at the same altitude?

Three consecutive integers exist where the smallest is fifteen less than twice the larger. Find the integers

Tell which number is greater 27/50,27%

The variable z varies jointly with x and y. Also, z=-75 when x=3 and y=-5 what is the constant of variation

X^3-7x^2y+13xy^2+5y^3/x-2y

Abcd is similar to wxyz. rectangle abcd has a length of 8 inches and height of 5 inches. wxyz has a height of 3ft what is the length in inches

What is the degree of a polynomial that has roots of - 2, 4i and - 4i?

What is the x value in the solution to the system of linear equations 2x - y = 11 and x + 3y = - 5

How do you find the tangent of a circle?

Greatest common factor of 15 and 30 and 45

Assume that the following confidence interval for the difference in the mean time (in minutes) for male students to complete a statistics test (sample 1) and the mean time for female students to complete a statistics test (sample 2) was constructed