What value of n will make this statement true? 5n = 70

Choose the correct answer below.
A. 65
B. 15
C. 14
D. 350

Factorize: x^2+8x+10 i just solved it but i don't know if the process is correct

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?

Twenty points. suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet