Find the constant of proportionality when an intensity of 5.00 lumens per square inch is measured 12 inches from a light bulb

The roots of the function f(x) = x2 – 2x – 3 are shown. what is the missing number?

Find the length of the radius of a circle with the center at -7+2i and a point in the circle at 33+11i

The water company charges a residential customer $41 for the first 3,000 gallons of water used and $1 for every 200 gallons used over 3000 gallons. if the water bill was $58 how many gallons of water were usedanswersa 3400 gallonsb 6000 gallonsc 6400 gallons d 7000 gallons