Lisa is mailing a package. The package weighs 3.5. Pounds the post office charges $0.85 per ounce to ship. How much does Lisa's package weigh in ounces?

Write the expression as a single natural logarithm. 2 in a - 4 in y

50 will mark show all use the linear combination method to solve the system of equations. explain each step of your solution. if steps are not explained, you will not receive credit for that step. 2x+9y= -26 -3x-7y=13

You are riding your bike and notice the square sign above. you mentally draw a straight line from point a to c. describe the angle relationship between dca and bca