Answers by visitors named: EvilKitty1125

Actually its 1. C. 3/2 2.B. 1 1/2 beats per second. 3. A. "D". 4. C. Graph C 5. D. The relationship is proportional. (2024)
You forgot the one at the end of "(S1+S2+S3)" there's a blank there right at the end