Border fencing costs $2.89 per package, and each package will fence a length of 8 feet. What will the cost be to buy fencing to go around the triangular flower bed?

$49.13
$23.12
$390.15

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.

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

Aschool puts on a play. the play costs $1,200 in expenses. the students charge $4.00 for tickets. there will be one performance of the play in an auditorium that seats 500 people. what is the domain of the function that shows the profit as a function of the number of tickets sold?