A teacher used the change of base formula to determine whether the equation below is correct.
(log210)(log48)(log104) 3
Which statement explains whether the equation is correct?
PLS HELP

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.

Tabby sells clothing at a retail store, and she earns a commission of 6.25% on all items she sells. last week she sold a pair of jeans for $32.50, a skirt for $18.95, and 2 blouses for $14.95 each. what was tabby's total commission? a $4.15 b $5.08 c $81.35 d $348.60

The price of a car has been reduced from $19,000 to $11,590. what is the percentage decrease of the price of the car?