Perform the indicated operation. (a + b)(a - b)

(a + b)(a - b) = a^2 - b^2

Step-by-step explanation:

There is an algebraic formula that applies here:

(a + b)(a - b) = a^2 - b^2.

In words, the product of (a + b) and (a - b) is equal to the difference of a^2 and b^2, as shown above.

b.) 160 miles on a 5 gallons car

step-by-step explanation:

240/10=24 miles/gallon

160/5=32 miles/gallon

30/1=30 miles/gallon

168/6= 28 miles/gallon

32 miles/gallon is the most amount, so this is the best.

step-by-step explanation:

the first 5 right here the next 5 i will upload as separate question