Long wants to save $87 for tickets to a rock concert. if she has $23 now and will save 4 per week, how long will it take her to get enough money to buy the tickets? define a variable and then write and solve and equation. write your solution as a sentence

!! 10 ! a westbound jet leaves central airport traveling 635 miles per hour. at the same time, an eastbound plane departs at 325 miles per hour. in how many hours will the planes be 1900 miles apart?

Identify the number as a rational or irrational. explain. 127

Find the volume of the solid whose base is the region bounded by f(x), g(x) and the x-axis on the interval [0, 1], and whose cross-sections perpendicular to the y-axis are squares. your work must show the integral, but you may use your calculator to evaluate it. give 3 decimal places for your answe