A-15 pound bag of bird food cost $11.70. A 20-pound bag of the same bird food costs $15.80. Which bag of bird food is the better buy?

Rewrite the hyperbolic equation 4y^2 -9x^2 +54x-8y-113=0

Kevin is an insurance salesman. when he sells a policy, he makes 20 percent of the policy premium (p) up front; then each year the policy is active, he receives 15 percent of the original premium. which equation could be used to figure his total commission on a policy that has been active for five years? c=0.80p c=0.20p + 0.15p c=0.35p + 4(0.15) c=0.95p

Give me the equations of two lines that have the same slope but are not parallel.