What is the volume of 2mi, 6mi, 6mi, 3mi, 2mi rounded to the nearest tenth

Which speed is the fastest (use 1 mile ≈ 1.6 kilometers)? a. 12 miles/hour b. 18 feet/second c. 19 kilometers/hour d. cannot be determined

Solve this equation using substitution. {4x + y = −2} {4x + 6y = 44}

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?