Lindsey was solving a problem, her work is shown below: 3n−5=−8(6+5n)
Step 1: 3n−5=−48−40n
Step 2: 3n=−53−40n
Step 3: 43n=−53
Step 4: n=−1.233

On which step did Lindsey make a mistake?

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.

Which shows a reasonable estimation for 124% of 42 using the distributive property?