Which pair of expressions below are equivalent (the same)? 1. 2(9x) and 11x
2. 8x + 5x and 40x
3. 3(6x + 1) and 21x
4. 2x + x + x and 4x

Please help it’s a test

An appliance store sells lamps at $95.00 for two. a department store sells similar lamps at 5 for $250.00. which store sells at a better rate

Two line segments are shown in the figure below. suppose that the length of the line along the x-axis is 6, and the length of the hypotenuse of the triangle is 10. what is the equation of the hypotenuse line (shown in red, below)?

You eat $0.85 for every cup of hot chocolate you sell. how many cups do you need to sell to earn $55.25