How do you write 900 in expanded form

The quantity y varies directly as x and inversely as zWhen x is 10 and z is 4, y is 15What is y when x is 20 and z is 6?

two solutions of salt water contain 0.1% and 0.22% salt respectively. A lab technician wants to make 1 liter of solution which contains 0.19% salt. How much of each solution should she use?

Which set of numbers can make the inequality below true? Solve and graph 26 > n + 15 A 13, 20, 28 B 9, 11, 15 C 2, 8, 10 D 3,9, 11

9x + 3y = 4 7x + 3y = 20

given the area of a rectangle is 14,628 square millimeters and the width is 12 millimeters find the length

The section has a height of 7.5 cm. If the area of the section of glass is 17.25 cm2, how long is the base of the section?

If you was going to have the fraction 3/4 = something 28 would you use 3 or4 to times it

No irrational numbers are real

We can describe 15x-10 as an expression we would describe 9+5=32 as an ...

Evaluate 6j+23+kl-3, when j=3, k=7, and l=33.