HELP If a certain cannon is fired from a height of 8.4 meters above the ground, at a certain angle, the height of the cannonball above the ground, h,
in meters, at time, t, in seconds, is found by the function h(t) = -4.91? + 30.5t + 8.4. Find the time it takes for the cannonball to strike the
ground.

With: label the vertices and all the elements needed. find x

Jackie purchased 3 bottles of water and 2 cups of coffee for a family for $7.35. brian bought 4 bottles of water and 1 cup of coffee for his family for $7.15. how much does each bottle of water cost? how much does each cup of coffee cost? i need this done

The frequency table shows the results of a survey comparing the number of beach towels sold for full price and at a discount during each of the three summer months. the store owner converts the frequency table to a conditional relative frequency table by row. which value should he use for x? round to the nearest hundredth. 0.89 0.90 0.92 0.96