Show work ill give nick and cathy collected shells on the seashore. in the morning nick found several shells, while cathy found 7 shells. in the afternoon, nick found 15 more shells. now the ratio of nick's shells to cathy's shells in 3: 1. how many shells did nick find in the morning?

Amanda went into the grocery business starting with five stores. after one year, she opened two more stores. after two years, she opened two more stores than the previous year. if amanda expands her grocery business following the same pattern, which of the following graphs represents the number of stores she will own over time?

Julie buys 2kg of apples and 7kg of pears ? 12.70. the pears cost ? 1.30 per kilogram what is the price per kilogram of the apples? show your working out

Write the factored form of this trinomial 9x^2+18x-7