With Solution pls 1.) the square root of sum of two consecutive numbers is 7 find the number.
2.) twice the square root of the difference of a number and, the result is 4 find the number.
3.) The formula
(5L poyan ah)
is used to approximate the speed (r) in miles per hour, of a car that has made a skid mark of L, in feet. Find the speed of the car that has skid 320 feet