The Tradewinds Shipping Company charges $15 plus $5 per pound to ship an overnight package. The Lucy Lu Shipping Company charges $30 plus $2 a pound to ship an overnight package. For what weight, in pounds, is the charge the same for the two companies?

How many real and imaginary solutions does the equation x^2-3x=-2x-7 have?

Create a question with this scenario you could ask that could be answered only by graphing or using logarithm. david estimated he had about 20 fish in his pond. a year later, there were about 1.5 times as many fish. the year after that, the number of fish increased by a factor of 1.5 again. the number of fish is modeled by f(x)=20(1.5)^x.

Mackenzie needs to determine whether the rectangles are proportional. which process could she use? check all that apply.