Daniel's mother has a 15% discount coupon she plans to use at the grocery store today. after the discount is applied, how much will she pay for an item that originally costs $7.80, before applying sales tax?

$6.63

Step-by-step explanation:

7.80 times .15 (15%) = 1.17

So 15% of 7.80 is 1.17

7.80 - 1.17 = 6.63

So 7.80 - 15% is 6.63

square pyramid

step-by-step explanation:

square prism looks like nothing like that

triangular prism has a rectangular base instead of a square base

tetrahedron has a triangular base