Nine fewer than half the number is five more than four times the number to find a variable right in equation and solve to find the number

Write an algebraic expression for the word expression the quotient of c and 8

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?

Mrs. avila is buying a wallpaper border to go on all of her kitchen walls. she wants to buy 5 extra feet of wallpaper border than she needs to be sure she has enough. she buys 55.5 feet of the border. the store owner selling the border uses the width of mrs. avila's kitchen to determine that the length of her kitchen must be 14.5 feet.