Sam buys 6 pencils and 5 erasers for a total cost of $1.60. Sally buys 3 pencils and 3 erasers for a total cost of $0.90. How much does one ERASER cost?

Missy took the act and was told her standard score (z-score) is –1. frank took the sat and was told his standard score (z-score) is –2. which student has a better chance of getting admitted to college based on their test score?

Sum is 17 and their difference is 3

This is my question~~ ( r ^ 4 - 2r ^ 3 - 23 r ^ 2 - 4r - 32)÷(r+4) ~~ i must use long division to solve it : / i was wondering if anyone world like to solve it. and if so, share step-by-step explanations! you! ❤