What is the measure of angle 6, if lines x and y are parallel, and angle 7 measures 121°?

You paid 28.00 for 8 gallons of gasoline. how much would you pay for 15 gallons of gasoline?

At the county fair, the baxter family bought 6 hot dogs and 4 juice drinks for $12.90. the farley family bought 3 hot dogs and 4 juice drinks for $8.55. find the price of a hot dog and the price of a juice drink.

Given that sin∅ = 1/4, 0 < ∅ < π/2, what is the exact value of cos∅? a. (√4)/4 b. (√15)/4 c. (4π)/2 d. (4√2)/4