Which pair of slopes could represent perpendicular lines? . 1.) 1/7, 7. 2.) 1/2, 2/4. 3/) -3/4, 4/3. 4.) 1/3, 1/3

Customers at an ice-cream shop took a survey .the results showed that 144 customers rated the shop as being "very satisfactory ."this number represented 45%of the total nunber of customers who took the survey

Answer this question! 30 points and brainliest! only if you know the answer.

What could explain what happened when the time was equal to 120 minutes