The national history museum has collected 125 dinosaurs. George has collected 3/5 of this amount. How many dinosaurs has george collected?

Two planes leave an airport at the same time, one flying east, the other flying west. the eastbound plane travels 20 mph slower. they are 1600 mi apart after 2 hr. find the speed of each plane.

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

Which describes the difference between the graph of f(x)=x^2 and g(x)=-(x^2-2)