a motorboat, moving at a speed of 10 km/hour, left a pier traveling against the current of the river. forty-five minutes after the boat left the pier, the motor of the boat broke, and the boat began drifting with the current. after three hours of drifting with the current, the boat was back at the pier where it had started. what is the speed of the current of the river?

The data in the table represent the height of an object over time. which model best represents the data? height of an object time (seconds) height (feet) 05 1 50 2 70 3 48 quadratic, because the height of the object increases or decreases with a multiplicative rate of change quadratic, because the height increases and then decreases exponential, because the height of the object increases or decreases with a multiplicative rate of change exponential, because the height increases and then decreases

For each sentence below, find the value of x that makes each sentence true. (515) 5 = 25* x= (813)2 = 4* x=

What is the slope of the line that passes through the points (–9, 2) and (0, 4)? the slope of the line is