(9) There are 18 elephants in a herd. The number of adult elephants is two times the number of young elephants in the herd. How many adult elephants are in the herd?

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

The trigonometric ratios sine and secant are reciprocals of each other

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