Use spherical coordinates. evaluate e x2 + y2 + z2 dv, e where e is enclosed by the sphere x2 + y2 + z2 = 81 in the first octant.

A water tank holds 18000 gallons. how long will it take for the water level to reach 6000 if the avergage wateris used 450 gallons a day

How are bar graphs and histograms different?

4 (4 9) = (4 4) 9 A. True B. False

a rectangle has a perimeter of 64 the with is 3 less than the length the equation for the scenario is 2x+2 (x-3) = 64

Solve the system of equations using substitution. Show your work. 3x + 2y = 7 y = x - 4

Find the inverse of the function f (x) = 5/6x + 10

Darren decided to gift wrap his present. He knows that his gift is in the shape of a cube and that one side is 5 ½ inches. Darren has 150 square inches of paper. Is this enough to wrap the gift? Explain your answer.

The sum of two numbers is 90. their difference is 12. what are the numbers?

Stat crunch in a random sample of 200 adults, what is the probability that less than 33 % have no credit cards?

There are 2.54 centimeters in an inch. when using this conversion factor, how many significant figures are you limited to?