Simplify the quadratic equation below into standard form. What are the values of a, b, and c? 4x^2 + 3x - 5 = 2x - 3
a=4, b=1, C=-2
a=4, b=3,c=-5
a=-2, b=1,c=4

A20? -foot ladder is placed against a vertical wall of a? building, with the bottom of the ladder standing on level ground 19 feet from the base of the building. how high up the wall does the ladder? reach?

41/17 as a decimal rounded to the nearest hundredth

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?