How to solve quadratic functions

Write the equations of teh circle in standard form

The sum of 4 times a number and - 7, added to 5 times the number

Which equation can be used to solve for m<1

a circle has a circumference of 20. It has an arc of length 9/2. What is the central angle of the arc in degrees?

Is 8542 a even number

find the width of the pathway if a garden measuring 15 meters by 18 meters is to have a pedestrian pathway installed all around it, increasing the total area to 360 square meters

How much will a person pay for 10.8 pounds of bananas at a price of $2.22 per pound

A mans weekly wage was £336 but now he earns £420. what is the percentage change

Y=|x-3|+|x+2|-|x-5|, if 3

The distance between Mike's house and the grocery store is 4/5 of a mile. Mike has walked 1/2 of a mile from his house to the grocery store. How much farther does he needs to walk to reach the grocery store? A. 13/10 miles B. 3/4 of a mile C.