Which choice is appropriate simplified form and restriction for the variable (x+3)(x+7)/3x+21

a) 3/x+7 (x ≠ -7)

b) x+7/3 (x ≠ -7)

c) x+3/3 (x ≠ -7)

d) 3/x+3 (x ≠ -3)

and explain the answer too!

All per-unit concepts rely on ratios,meaning,to provide a type of measurement

55 bridesmaids want to make 325 325 decorations for a wedding. each decoration takes about 212 2 1 2 minutes to make. which response gives the best estimate for the amount of time each bridesmaid will spend making decorations?

Which statement about the graph of y = 8(0.25)^2