Bubba purchased 10 pairs of socks from the sports shop. Each pair of socks cost 4.99 He had a coupon for 20% off his entire purchase but he had to pay 7% sales tax what was the total cost

The total cost was $42.71

Step-by-step explanation:

10 × $4.99 = $49.9

$49.9 × 7% = $3.49

$49.9 + $3.49 = $53.39

$53.39 × 20% = $10.68

$53.39 - $10.68 = $42.71

can i get the link to the assignment?

step-by-step explanation:

answer:  

step-by-step explanation:

here x represents the height of the pole,

and, the height of the shadow of the pole is 12 feet.

also, the angle of elevation from the top of the pole is 40°,

therefore,

by the low of sine,

which is the required equation for finding the value of x,