Bob and Sue enter a race. Bob runs an average of 12 kilometers per hour, and Sue runs an average of 8 kilometers per
hour. If Bob finishes 2 hours before Sue, how long is the race?
24 km
96 km
48 km
36 km

Acompany that manufactures and sells guitars made changes in their product range. from the start they had 20 models. then they reduced the number of models to 15. as a result, the company enjoyed a 10% increase in turnover. - how much did the stock level change? in (%)

:)i need to know on which ones are corresponding, alternate interior, alternate exterior, or none of these.

The radius of the sphere is 10 units .what is the approximate volume of the sphere use π=3.14