Roberta bought pound of raisins. The put ſ pound in bags for her lunch. How many ] -pound bags can Roberta fill? Does she have any left over?
Enter the correct answers in the boxes.

There a total of 82 students in the robotics club and the science club. the science club has 6 fewer students than the robotic club. how many students are in science club?

The decibel level of sound is 50 db greater on a busy street than in a quiet room where the intensity of sound is watt/m2. the level of sound in the quiet room is db, and the intensity of sound in the busy street is watt/m2. use the formula , where is the sound level in decibels, i is the intensity of sound, and is the smallest sound intensity that can be heard by the human ear (roughly equal to watts/m2).

Solve the equation using the given values: x= -2.5; y= -7.51. 2xy + 2x²