Diameter = 10.5in.
we are learning something about area of circle

Lois and clark own a company that sells wagons. the amount they pay each of their sales employees (in dollars) is given by the expression 12h+30w12h+30w where hh is the number of hours worked and ww is the number of wagons sold.

Use the distributive law to multiply. 3(4x + 5y + 6)

Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.