What is the product?
(7x2)(2x + 5) (*-4x-9)
14x5 – x4 - 46x3 - 58x2 - 20x-45
14x6 – 56x5 – 91x4 – 140x3 - 315x2
14x? - 56x6 – 126x5 + 35x4 - 140x3 - 315x2
0 14x12 - 182x + 35x4 - 455x2

You are responsible for designing a new city. you are inspired by pierre charles l'enfant, who laid out the streets of our nation's capital. numbered streets run north and south, and lettered streets run east and west. avenues are named after states, and they intersect the streets on a diagonal. the streets are parallel and the intersections form similar triangles. 18th st. is 454 meters long and the intersection of 18th and k st. is 207 meters from connecticut ave. if 19th st. and k st. is 385 meters from connecticut ave., what is the length of 19th st.?

Jabari is power washing houses for a summer job. for every job, he charges an initial fee plus $30 for each hour of work. his total fee for a 4 -hour job, for instance, is $170 . jabari's total fee,f, for a single job is a function of the number,t, of hours it takes him to complete the job. write the function's formula.

It says factor each expression 49x-28?