Simplify (2 sqrt5 -4)(3 sqrt5 +2)

God's gym charges a sign-up fee of $100 plus $30 per month. write an expression to represent how much someone would pay for a membership.

18 16 11 45 33 11 33 14 18 11 what is the mode for this data set

Light travels at 186,000 miles per second. light takes about 1 1? 3 seconds to travel from the earth to the moon. calculate the distance between the earth and the moon based on the speed of light.