Abigail's toaster produces 50 units of heat and 5 units of light for every 100 units of electricity it uses. what is the efficiency of her toaster? 5 percent 45 percent 50 percent 55 percent

This is so harddd! solve. 1 + 1 = solve 4 + 4 = solve 3 x 3

Explain why the two figures below are not similar. use complete sentences and provide evidence to support your explanation. (10 points) figure abcdef is shown. a is at negative 4, negative 2. b is at negative 3, 0. c is at negative 4, 2. d is at negative 1, 2. e

Abcd is a square. what is the measure of angle bac