The average of their maximum speeds was 260\text{ km/h}260 km/h260, start text, space, k, m, slash, h, end text. If doubled, Malcolm's maximum speed would be 80\text{ km/h}80 km/h80, start text, space, k, m, slash, h, end text more than Ravi's maximum speed.

Aline on the wall and a line on the floor are skew. always, sometimes, or never?

Its due ! write an equation in which the quadratic expression 2x^2-2x 12 equals 0. show the expression in factored form and explain what your solutions mean for the equation. show your work.

You are standing next to a really big circular lake. you want to measure the diameter of the lake, but you don't want to have to swim across with a measuring tape! you decide to walk around the perimeter of the lake and measure its circumference, and find that it's 400\pi\text{ m}400? m. what is the diameter dd of the lake?