Davids math grades are 85 49 67 and 83 on 4 tests. what grade must he earn on the next test to have a mean of 75

What is 134,500 rounded to the nearest ten thousand

melissa is driving along a highway at a constant soeed of 65 mph. how long does it take her to travel 90 miles?

Jack and Jill are trying to determine the price for a bucket of water. The bucket costs $8 plus a 7% tax. Jack says he would multiply 8 times. 07 and then add this to the $8. Jill says to just multiply 8 times 1.07. Who is correct? Explain.

What is the opposite number of 3.82

1. 4 • (-3) • 5 2. (2.25 • 23) • 4 3. 4. 5 • 12 • (-2)

A coin is flipped and a six-diced die is rolled. What is the probability that the coin lands heads and the die shows four or more? (Hint: define A to be the event 'coin lands heads' and B to be the event 'die shows four or more'.

What is perimeter and area of an equallateral triangle?

There is an average of 3.5*10-2 kilogramsof dissolved salt in each liter of seawater. The Indian Ocean contains approximately 2.64*1020 liters of seawater.

The number of tropical fish that an aquarium can hold depends on the volume of the fish tank. the interior dimensions of the fish tank below are 60 60 cm, 50 50 cm, and 30 30 cm. each fish requires 10,000 cubic centimeters of water.

218 rounded to nearest 10