River, Simon and Teresa are entrepreneurs in the technology business. All together they have over 51 years of experience. Teresa has twice as many years of experience than
Simon plus 5, and River has 3 less years than a half of Simon's. How many years does
each person have? ( Can you guys hurry plz it’s due by 11:59 pm)

Kelly is a salesperson at a shoe store, where she must sell a pre-set number of pairs of shoes each month. at the end of each work day the number of pairs of shoes that she has left to sell that month is given by the equation s=300-15x , where s is the number of pair of shoes kelly still needs to sell and x is the number of days she has worked that month. what is the meaning of the number 300 in this equation

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

Factor the following expression. 27y3 – 343 a. (3y + 7)(9y2 + 2ly + 49) b. (3y – 7)(9y2 + 2ly + 49) c. (3y – 7)(932 – 217 + 49) d. (3y + 7)(92 – 2ly + 49)