Use trail and improvement to find the positive solution to this equation

x(x+4) = 90

your answer should look like
x is between a and b

a and b are 0.1 apart

what is x between?

this is a hard question so 15 points guys. give me some working out.

Three baby penguins and their father were sitting on an iceberg 0.50.50, point, 5 meters above the surface of the water. the father dove down 4.74.74, point, 7 meters from the iceberg into the water to catch dinner for his kids. what is the father penguin's position relative to the surface of the water?

What is always true about a positive integer raised to a negative odd power?

Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar. a city water tank holds 20 gallons of water. a technician empties 25% of the tank. how many more gallons of water must be removed from thetank so that it has 5 of the water that it started with: the technician must removemore gallons of water for the tank to have 5 of the water that it started with.