Two pipes are filling a tank. One pipe fills three times as fast as the other. The tank fills in 45 minutes with both pipes working together. How long would the smaller pipe take working alone?

Given sin28.4=.4756, cos28.4=.8796, and tan28.4=.5407 find the cos of 61.6

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?

What is 140 squared pleas me i am dumb