A student received a coupon for 19​% off the total purchase price at a clothing . Let be the original price of the purchase. Use the expression below for the new price of the purchase. Write an equivalent expression by combining like terms. b-0.19b

the equivalent expression is 0.81b

Step-by-step explanation:

The equivalent expression is shown below:

Let us assume the original price of the purchase be b

Given that

b - 0.19b

= (1 - 0.19)b

= 0.81b

hence, the equivalent expression is 0.81b

the answer is 13

step-by-step explanation:

5*5=25

12*12=144

25+144=169

169^2=13