Solve using the quadratic equation for all values of x in simplest form answer this

Step-by-step explanation:

simplify both sides of the equation

-x^2+16=-7

subtract 16 form both sides

-x^2= -23

divide by -1

x^2=23

take square root

and your answer is x= plus or minus (square root) of 23 or -23

Step by STEP explanation

126.66 m²

step-by-step explanation:

the pertinent area formula is a = πr², where r is the radius.

here, a = π(6.35 m)² = 40.32π, or approximately 126.66 m²

the answer is 21%.