If a plane can travel 490 miles per hour with the wind and 450 miles per hour against the wind, find the speed of the plane without a wind and the speed of the wind.

What are the equivalent ratios for 24/2= /3= /5.5=108/ = /15

Lucy is a dress maker. she sews \dfrac47 7 4 of a dress in \dfrac34 4 3 hour. lucy sews at a constant rate. at this rate, how many dresses does lucy sew in one hour? include fractions of dresses if applicable

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.