Apaddle boat can move at a speed of 14 km/h in still water. the boat is paddled 4 km downstream in a river in the same time it takes to go 2 km upstream. what is the speed of the river?

Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. when the check comes, it says they also need to pay $3.99 in sales tax. what percentage of the subtotal is the sales tax

An unknown number x is at most 10. which graph best represents all the values of x? number line graph with closed circle on 10 and shading to the right. number line graph with open circle on 10 and shading to the right. number line graph with open circle on 10 and shading to the left. number line graph with closed circle on 10 and shading to the left.

Factor the following expression completely 6x^11-24x^7