I need help please. Find each length or area to the nearest tenth.
RT:_
ST:_
Area of RST:_

There are a total sales of 2,000 dollars on monday on tuesday sales dropped 10% on wednesday sales dropped another 20% compared with tuesday from wednesday to thursday sales increases by an equal amount to 25% of monday total sales what is the net change in dollars on total sales from monday to tuesday

If y = e2x is a solution to y''- 5y' + ky = 0, what is the value of k?

Alex is on a diet to lose some weight. he is losing weight at a rate of 2 pounds per week. after 6 weeks, he weighs 205 pounds. write and solve a linear equation to find how many weeks it will take alex to reach his target weight of 175 pounds.