If 2x + 1=7 what is the value of x​

Find the nonpermissible replacement for binthis expression. b2/5b +5

Anew landowner is interested in constructing a fence around the perimeter of her property. her property is 1,080√30 feet wide and 500√20 feet long. what is the perimeter of the property? (recall that the perimeter is the sum of each side of a shape or boundary). a 1,580√40 feet b. 5,320√5 feet c. 3,160√20 feet d. 10,640√5 feet

Find the vertex for the parabola given by the function ƒ(x) = −3x2 − 6x.