69. What is the solution to 0.21/0.33 = x/1.10?

A. 0.07

B. 0.67

C. 0.70

D. 6.70

E. 7.00

Simplify: (2q/7^4) ^4

What decimal is greater 126.698 or 126.689?

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0 = 4x2+12x+9 Simplify the expression to solve the equation. x =

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Solve 3x2 18x 15 = 0 by completing the square. a. 3 (x 3) 2 = 6; x = - 3 square root 2, x = - 3 - square root 2 b. 3 (x 9) 2 = 12; x = - 11, x = - 7 c. 3 (x 3) 2 = 12; x = - 5, x = - 1 d.

A pillow that usually cost $18 is marked down 25% what is the markdown and what's the new price

Square root of one hundred and twenty three

Suppose commute times in a large city are normally distributed and that 62.50% of commuters in this city take more than 21 minutes to commute one-way. if the standard deviation of such commutes is 6.2 minutes, what is the mean commute?