The invention of the telegraph let distant locations communicate quickly.
b. kept distant locations from communicating quickly.
was 50 years after the railroad.
d. was 50 years before the railroad.
Please select the best answer from the choices provided

Giuseppi's pizza had orders for $931.00 of pizzas. the prices were $21 for a large pizza, 514 for a medium pizza, and $7 for a small pizza. the number of large pizzas was two less than four times the number of medium pizzas. thenumber of small pizzas was three more than three times the number of medium pizzas. how many of each size of pizza were ordered?

What is the slope of the line passing through the points (3, 3) and (5, 7) ? 1. 2 2. 1/2 3. −2 4. −1/2

What are linear equations? could'ya explain too me, ? ! and how do you see what graph is a proportional relationship?