The cost of producing n necklaces is p(n) = 15n + 60. The necklaces cost $30, which can be represented by c(n) = 30n. For how many necklaces does the cost of production equal the sales?

Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?

Agraphic designer created a logo on eight and a half by 11 inch paper. in order to be placed on a business card, the logo needs to be one and 7/10 inches by 2 and 1/5 in. what is the scale factor of the dilation

Adele is five years older than timothy. in three years, timothy will be 2/3 of adele’s age. what is adele‘s current age?