How many mixed partial derivatives of order 3 can a function of 3 variables have and why?

During a recent eruption, a volcano spewed copious amounts of ash. One small piece of ash was ejected from the volcano with an initial velocity of 368 ft/sec.

What is the word sentence for the equation 25 = k / 5

Pavel's pocket money increases from €12 per week to €15 per week. Work out the percentage increase in his pocket money.

Every item in the store is advertised as 1/5 off the original price If an item is marked with a sale price of 160 what is the original price

A number plus one third of 6 equals 10. what is the number

What is the Equivalent expression for (y + y + y)

The longer leg of a right triangle is 1 m longer than the shorter leg. The hypotenuse is 9 m longer than the shorter leg. Find the side lengths of the triangle.

Is 3/5 less, greater, or equal to 7/10

Is 9/3 proper or improper

A new technology for the production of integrated circuits is being mastered. The technology will be rejected if the percentage of the defective integrated circuits exceeds 2%.