Solve the equation for a. 4a + 2 = 3b - 5

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

Eric drove 275 miles in 5 hours. at the same rate how long would it take him to drive 495 miles?

The dance committee of pine bluff middle school earns $72 from a bake sale and will earn $4 for each ticket they sell to the spring fling dance. the dance will cost $400 write an inequality to determine the number, t of tickets the committee could sell to have money left over after they pay for this year's dance. what is the solution set of the inequality?