A random sample of 30 lunch orders at Noodles & Company showed a standard deviation of $5.31. Find the 90 percent confidence interval for the population standard deviation. Use Excel to obtain χ2L=CHISQ. INV(α/2,d. f.) and

Match each equation with the operation you can use to solve for the variable. subtract 10. divide by 10. divide by 5. subtract 18. multiply by 10. add 18. add 10. multiply by 5. 5 = 10p arrowright p + 10 = 18 arrowright p + 18 = 5 arrowright 5p = 10 arrowright

How to solve a simultaneous equation involved with fractions?

In which form is the following function written? y = - 2(x – 3)(x + 5)