Write the number 0.0000009 in scientific notation

The age of three sisters are consecutive integers. The sum of their ages is 45. Calculate their ages.

X) 7. A. 47 The odds on (against) your bet are 3 to 7. If you bet $63 and win, how much will you gain? $ (Type an integer or a decimal.)

Write 3.6 as a fraction or a mixed number

Doris made a list of all the whole number from 1 to 100 how many times did she write the digit 2

If R is the total resistance for a parallel circuit with two resistors of resistances of r1 and r2 then 1/r=1/r1+1/r2 find the resistance r1 if the total resistance is 20 ohms and r2 is 75 ohms round your answer to the nearest ohms if neccesary a.

The measure of an angle is nineteen times the measure of a supplementary angle. what is the measure of each angle?

How do I find the whole given part and the percent

What is the intersection of the sets A = {2, 3, 5, 7, 11} and B = {5, 11, 13, 15, 17}? A. {5, 11} B. {2, 3, 5, 7, 11, 13, 15, 17} C. {2, 3, 5, 7, 11} D. null set

Five less than the product of eight and a number

You have a spinner, shown below. You wish to test its fairness, so you conduct several trials in which you repeatedly spin the spinner and record how many times you come up with a result of violet.